CENIC

Data as of 2026-08-16
Handle
Complete entity footprint
4 linked clusters · 1,263 netblocks · 2,452,992 IPv4 addresses · 31 IPv6 prefixes
This organisation's clusters combined by evidence — shared operating domain ca.us — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
Cluster stats
Netblocks776 · 2,011,904 IPv4 addresses
IPv6 28 prefixes (largest 2607:f380::/32)
All fragments 827 blocks across 3 clusters
Cluster ID222382049
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution RIR handle
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

8 weekly snapshots · JSON
787 +35 netblocks since 2026-07-05
2026-07-05 peak 787 2026-08-16

IP Ranges (776)

showing 50 of 776 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
64.39.112.0/20 CENIC BGP ANNOUNCED ● high
69.48.214.0/23 CENIC BGP ANNOUNCED ● high
69.48.215.0/24 CENIC BGP ANNOUNCED ● high
76.78.96.0/21 CENIC BGP ANNOUNCED ● high
76.78.124.0/24 CENIC BGP ANNOUNCED ● high
76.78.125.0/24 CENIC BGP ANNOUNCED ● high
104.249.91.0/24 CENIC BGP ANNOUNCED ● high
104.249.94.0/24 CENIC BGP ANNOUNCED ● high
130.65.0.0/16 CENIC BGP ANNOUNCED ● high
130.86.2.0/23 CENIC BGP ANNOUNCED ● high
130.150.0.0/16 CENIC BGP ANNOUNCED ● high
130.150.12.0/22 CENIC BGP ANNOUNCED ● high
130.150.12.0/23 CENIC BGP ANNOUNCED ● high
130.150.15.0/24 CENIC BGP ANNOUNCED ● high
130.157.0.0/16 CENIC BGP ANNOUNCED ● high
130.157.0.0/19 CENIC BGP ANNOUNCED ● high
130.157.32.0/19 CENIC BGP ANNOUNCED ● high
130.157.64.0/18 CENIC BGP ANNOUNCED ● high
130.157.128.0/17 CENIC BGP ANNOUNCED ● high
130.166.0.0/16 CENIC BGP ANNOUNCED ● high
130.166.51.0/24 CENIC BGP ANNOUNCED ● high
130.182.0.0/16 CENIC BGP ANNOUNCED ● high
130.191.0.0/16 CENIC BGP ANNOUNCED ● high
130.212.0.0/16 CENIC BGP ANNOUNCED ● high
132.241.0.0/16 CENIC BGP ANNOUNCED ● high
132.241.61.0/24 CENIC BGP ANNOUNCED ● high
134.139.0.0/16 CENIC BGP ANNOUNCED ● high
134.139.1.0/24 CENIC BGP ANNOUNCED ● high
134.139.2.0/24 CENIC BGP ANNOUNCED ● high
134.154.0.0/16 CENIC BGP ANNOUNCED ● high
134.154.1.0/24 CENIC BGP ANNOUNCED ● high
134.154.2.0/24 CENIC BGP ANNOUNCED ● high
134.154.120.0/21 CENIC BGP ANNOUNCED ● high
134.154.206.0/24 CENIC BGP ANNOUNCED ● high
134.154.222.0/24 CENIC BGP ANNOUNCED ● high
136.168.0.0/16 CENIC BGP ANNOUNCED ● high
136.168.238.0/24 CENIC BGP ANNOUNCED ● high
136.228.176.0/24 CENIC BGP ANNOUNCED ● high
137.145.0.0/16 CENIC BGP ANNOUNCED ● high
137.145.7.0/24 CENIC BGP ANNOUNCED ● high
137.145.10.0/24 CENIC BGP ANNOUNCED ● high
137.145.17.0/24 CENIC BGP ANNOUNCED ● high
137.145.20.0/24 CENIC BGP ANNOUNCED ● high
137.145.21.0/24 CENIC BGP ANNOUNCED ● high
137.145.22.0/24 CENIC BGP ANNOUNCED ● high
137.145.23.0/24 CENIC BGP ANNOUNCED ● high
137.145.34.0/24 CENIC BGP ANNOUNCED ● high
137.145.35.0/24 CENIC BGP ANNOUNCED ● high
137.145.36.0/24 CENIC BGP ANNOUNCED ● high
137.145.40.0/24 CENIC BGP ANNOUNCED ● high

IPv6 ranges (28)

showing the 15 largest allocations
CIDR
2607:f380::/32
2001:468:e00::/40
2607:f380:100::/48
2607:f380:101::/48
2607:f380:4::/48
2607:f380:808::/48
2607:f380:80c::/48
2607:f380:80f::/48
2607:f380:828::/48
2607:f380:868::/48
2607:f380:86c::/48
2607:f380:874::/48
2607:f380:884::/48
2607:f380:88c::/48
2607:f380:890::/48

Domains hosted in this network

what's this?
gvt1.com kvcr.org googlevideo.com nps.edu chulavistaca.gov

Network trust

what's this?
RPKI hygiene: F how networks compare →
5.0% of checked blocks have valid RPKI ROA coverage (39 of 787)
Possible discrepancies (4)

These blocks are registered to CENIC 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.

2607:f380:100::/48 /48 authorized for AS14618 — Amazon.com, Inc.
2607:f380:101::/48 /48 authorized for AS14618 — Amazon.com, Inc.
137.164.51.0/24 /24 authorized for AS14618 — Amazon.com, Inc.
137.164.87.0/24 /24 authorized for AS14618 — Amazon.com, Inc.

NIC Handles

ABUSE711-ARIN AS2152 AS2153 CENIC DOMAI64-ARIN OPERA63-ARIN