Cisco Systems Ironport Division
Data as of 2026-09-20
BGP inherited
This organisation
| Netblocks | 211 · 53,504 IPv4 addresses |
| IPv6 | 18 prefixes (largest 2620:101:2000::/43) |
| Also registered under this name | 624 netblocks across 19 separate records |
| Record ID | 241133815 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 11 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 (211)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 23.90.96.0/19 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 23.90.96.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.97.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.98.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.99.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.100.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.101.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.102.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.103.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.104.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.105.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.106.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.107.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.108.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.109.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.110.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.111.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.112.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.113.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.114.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.115.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.116.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.117.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.118.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.119.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.120.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.121.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.122.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.123.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.124.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.125.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.126.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.127.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 63.251.108.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.128.0/19 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 68.232.128.0/22 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.129.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.130.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.132.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.133.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.134.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.136.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.137.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.138.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.139.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.140.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.141.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.142.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.143.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.144.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.145.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.146.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.146.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.147.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.148.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.150.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.151.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.152.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.153.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.154.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.155.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.156.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.157.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.158.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.159.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 72.5.10.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 74.201.90.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 74.201.116.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.24.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.24.0 – 139.138.47.255 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 139.138.25.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.26.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.27.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.28.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.29.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.30.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.31.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.32.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.33.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.34.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.35.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.36.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.37.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.38.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.39.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.40.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.41.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.42.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.43.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.44.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.45.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.46.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.47.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.56.0/21 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 139.138.56.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.57.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.58.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.59.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.60.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.61.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.62.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 139.138.63.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 184.94.240.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 184.94.240.0/20 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 184.94.241.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 184.94.248.0/22 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 184.94.248.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 184.94.254.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 184.94.255.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.192.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.193.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.194.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.195.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.196.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.198.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.199.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.202.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.205.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.211.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.212.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.213.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.214.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.215.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 194.165.216.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 204.15.80.0/22 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 204.15.80.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.64.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.64.0/19 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 207.54.65.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.66.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.67.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.68.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.69.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.70.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.71.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.72.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.73.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.74.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.75.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.76.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.77.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.78.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.80.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.81.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.82.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.83.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.84.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.85.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.86.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.87.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.88.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.89.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.90.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.91.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.92.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.93.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.94.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 207.54.95.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 208.90.56.0/21 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 208.90.56.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 208.90.58.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 208.90.60.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 208.90.62.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 208.90.63.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.128.0/19 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 216.71.128.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.130.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.132.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.133.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.134.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.135.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.136.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.137.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.138.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.139.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.140.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.141.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.142.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.143.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.144.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.145.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.146.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.147.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.148.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.149.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.150.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.152.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.153.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.154.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.156.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.157.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.158.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 216.71.159.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2000::/43 | Cisco Systems Ironport Division | ARIN | DIRECT ALLOCATION | ● high |
| 2620:101:2001::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2002::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2003::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2005::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2006::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2007::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2009::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:200a::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:200b::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:200c::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:200d::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:200e::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:200f::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2010::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2011::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2012::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 2620:101:2014::/48 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
IPv6 ranges (18)
Footprint over time
13 weekly snapshots · JSON
211
+2 netblocks since 2026-07-05
2026-07-05
peak 211
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: C
how networks compare →
77.3%
of checked blocks have valid RPKI ROA coverage
(163 of 211)
No discrepancies found among checked blocks.
NIC Handles
AS16417
AS30215
AS30238
AS40427
BOUDJ-ARIN
CISL-7
INA15-ARIN
ISO3-ARIN
ISO3-ARIN
ISO3-ARIN
lir-us-cisco1-1-MNT