National Oceanic and Atmospheric Administration

Data as of 2026-09-20
BGP inherited
This organisation
Netblocks198 · 595,200 IPv4 addresses
IPv6 35 prefixes (largest 2601:a000::/32)
Record ID241134626
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 16 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (198)

⬇ export CSV
CIDR Org name Registry Status Confidence
132.163.0.0/18 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.67.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.68.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.72.0/21 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.80.0/20 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.98.0/23 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.100.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.104.0/21 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.112.0/20 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
132.163.128.0/17 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.0.0/18 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
137.75.64.0/18 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
137.75.68.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.72.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.76.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.80.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.82.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.88.0/21 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.96.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.100.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.106.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.108.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.112.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.116.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.120.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.124.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.128.0/17 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
137.75.128.0/18 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.192.0/19 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.224.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.228.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.232.0/21 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
137.75.240.0/20 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
140.90.0.0/16 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
140.90.28.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
140.90.101.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
140.90.190.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
140.172.0.0/16 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
140.208.160.0/20 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
140.208.192.0/20 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
140.208.240.0/20 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
140.208.252.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
140.208.253.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.0.0/16 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.0.0/18 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.0.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.3.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.4.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.64.0/19 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.128.0/17 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.128.0/19 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.160.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
148.129.161.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
149.112.108.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
151.207.8.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
151.207.9.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
151.207.12.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
151.207.13.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
155.206.0.0/16 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
161.55.0.0/16 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
161.55.56.0/23 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
161.55.224.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
165.92.0.0/16 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
165.92.182.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
165.92.184.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
165.92.186.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
165.92.187.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
165.92.188.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
165.92.222.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.35.128.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.35.129.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.42.66.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.42.91.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.1.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.58.2.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.58.3.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.58.151.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.152.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.153.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.154.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.232.0/23 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.234.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.235.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.236.0/22 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.58.240.0/23 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.64.68.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.64.69.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.97.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.67.134.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.174.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.175.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.176.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.177.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.178.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.179.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.180.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.181.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.182.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.67.183.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.68.161.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.92.89.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.94.173.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.101.193.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.102.88.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.111.123.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.129.86.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.133.17.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.133.29.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
192.147.82.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.149.148.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.153.129.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.154.40.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
192.195.11.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
198.51.11.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
198.180.147.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
198.187.158.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
198.206.32.0/19 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
199.104.104.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
199.242.231.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
199.242.231.0 – 199.242.233.255 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
199.242.232.0/23 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.62.251.0/24 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
204.145.202.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.224.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.225.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.228.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.229.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.230.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.231.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.241.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.242.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.243.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.244.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.245.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.193.246.0/23 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.194.224.0/21 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
204.227.96.0/19 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
204.228.175.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.176.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.177.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.178.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.179.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.180.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.181.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.182.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.183.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.184.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.185.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.186.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.187.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.188.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.189.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.190.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
204.228.191.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
205.156.0.0/18 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
205.156.56.0/22 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
205.156.60.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
205.159.118.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
205.166.33.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
205.167.24.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
205.167.24.0/23 National Oceanic and Atmospheric Administration ARIN DIRECT ALLOCATION ● high
205.167.25.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
206.197.238.0/24 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a000::/32 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a002::/32 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a002:5f::/48 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a004::/32 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a005::/32 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a008::/32 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a010::/32 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a012::/32 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2601:a013::/32 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2602:810:d004::/46 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2607:9bc0:1010::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2607:9bc0:1020::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2607:9bc0:1030::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:1000::/40 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:2000::/38 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:2000::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:2010::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:2020::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:6b00::/40 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:8000::/38 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:8040::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:8800::/38 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:8804::/46 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:8c00::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:8c20::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:9008::/45 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:900e::/47 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:90a0::/44 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:90e2::/48 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:9122::/48 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:9124::/48 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:9147::/48 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:9200::/40 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2610:20:9300::/40 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high
2620:12e:b000::/46 National Oceanic and Atmospheric Administration BGP ANNOUNCED ● high

IPv6 ranges (35)

Footprint over time

13 weekly snapshots · JSON
217 +58 netblocks since 2026-07-05
2026-07-05 peak 217 2026-09-20

Domains this organisation publishes

what's this?

Other domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: A how networks compare →
97.2% of checked blocks have valid RPKI ROA coverage (211 of 217)
Possible discrepancies (1)

These blocks are registered to National Oceanic and Atmospheric Administration but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

204.193.231.0/24 /24 authorized for AS3423 — AT&T Enterprises, LLC

NIC Handles

AS10616 AS26100 AS2648 AS3477 AS6629 AS7764 NAA38-ARIN NAA40-ARIN NAT41-ARIN NOAA-7-Z NOAABO NOAABO-Z +4 more