NBCUNIVERSAL INTERNATIONAL LIMITED

Data as of 2026-09-06
BGP inherited
Complete entity footprint
4 linked clusters · 574 netblocks · 3,858,032 IPv4 addresses · 13 IPv6 prefixes
This organisation's clusters combined by evidence — shared operating domain ge.com — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
This organisation
Netblocks62 · 41,984 IPv4 addresses
IPv6 1 prefix (largest 2620:152::/36)
Also registered under this name 66 netblocks across 2 separate records
Record ID236306616
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (62)

⬇ export CSV
CIDR Org name Registry Status Confidence
8.11.200.0/24 NBCUniversal BGP ANNOUNCED ● high
50.149.85.0/24 NBCUniversal BGP ANNOUNCED ● high
50.172.163.0/24 NBCUniversal BGP ANNOUNCED ● high
50.175.130.0/24 NBCUniversal BGP ANNOUNCED ● high
50.200.194.0/24 NBCUniversal BGP ANNOUNCED ● high
50.203.232.0/24 NBCUniversal BGP ANNOUNCED ● high
50.207.32.0/21 NBCUniversal BGP ANNOUNCED ● high
50.218.3.0/24 NBCUniversal BGP ANNOUNCED ● high
50.218.20.0/24 NBCUniversal BGP ANNOUNCED ● high
50.218.36.0/24 NBCUniversal BGP ANNOUNCED ● high
50.220.223.0/24 NBCUniversal BGP ANNOUNCED ● high
50.221.27.0/24 NBCUniversal BGP ANNOUNCED ● high
50.221.162.0/23 NBCUniversal BGP ANNOUNCED ● high
50.225.179.0/24 NBCUniversal BGP ANNOUNCED ● high
50.227.232.0/24 NBCUniversal BGP ANNOUNCED ● high
50.228.144.0/20 NBCUniversal BGP ANNOUNCED ● high
50.229.129.0/24 NBCUniversal BGP ANNOUNCED ● high
50.230.144.0/20 NBCUniversal BGP ANNOUNCED ● high
50.234.250.0/24 NBCUniversal BGP ANNOUNCED ● high
50.239.57.0/24 NBCUniversal BGP ANNOUNCED ● high
64.129.180.0/24 NBCUniversal BGP ANNOUNCED ● high
66.194.112.0/23 NBCUniversal ARIN ASSIGNMENT ● high
70.39.32.0/23 NBCUNIVERSAL INTERNATIONAL LIMITED ARIN ASSIGNMENT ● high
70.39.32.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.34.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.36.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.37.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.40.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.41.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.44.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.45.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.46.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.47.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.48.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.49.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.58.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.59.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.61.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.62.0/24 NBCUniversal BGP ANNOUNCED ● high
70.39.63.0/24 NBCUniversal BGP ANNOUNCED ● high
173.213.208.0/20 NBCUniversal ARIN DIRECT ALLOCATION ● high
173.213.208.0/24 NBCUniversal BGP ANNOUNCED ● high
173.213.210.0/24 NBCUniversal BGP ANNOUNCED ● high
192.251.68.0/24 NBCUniversal ARIN DIRECT ALLOCATION ● high
192.251.69.0/24 NBCUniversal ARIN DIRECT ALLOCATION ● high
204.237.248.0/23 NBCUniversal BGP ANNOUNCED ● high
208.73.112.0/22 NBCUniversal ARIN DIRECT ALLOCATION ● high
208.73.112.0/24 NBCUniversal BGP ANNOUNCED ● high
208.73.114.0/24 NBCUniversal BGP ANNOUNCED ● high
208.73.115.0/24 NBCUniversal BGP ANNOUNCED ● high
209.17.224.0/19 NBCUniversal ARIN DIRECT ALLOCATION ● high
209.23.192.0/22 NBCUniversal BGP ANNOUNCED ● high
209.116.149.0/24 NBCUniversal BGP ANNOUNCED ● high
216.4.176.0/23 NBCUniversal BGP ANNOUNCED ● high
216.4.176.0/22 NBCUniversal BGP ANNOUNCED ● high
216.4.178.0/23 NBCUniversal BGP ANNOUNCED ● high
216.39.34.0/23 NBCUniversal BGP ANNOUNCED ● high
216.178.96.0/20 NBCUniversal ARIN DIRECT ALLOCATION ● high
216.178.96.0/21 NBCUniversal BGP ANNOUNCED ● high
216.178.104.0/21 NBCUniversal BGP ANNOUNCED ● high
2620:152::/36 NBCUniversal ARIN DIRECT ALLOCATION ● high
64.210.192.0/23 NBCUniversal ARIN ALLOCATION ● medium

IPv6 ranges (1)

Footprint over time

11 weekly snapshots · JSON
64 +6 netblocks since 2026-07-05
2026-07-05 peak 64 2026-09-06

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: D how networks compare →
32.8% of checked blocks have valid RPKI ROA coverage (21 of 64)
Possible discrepancies (3)

These blocks are registered to NBCUNIVERSAL INTERNATIONAL LIMITED but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

50.207.32.0/21 /21 authorized for AS7922 — Comcast Cable Communications, LLC
209.23.192.0/22 /22 authorized for AS7922 — Comcast Cable Communications, LLC
50.234.250.0/24 /24 authorized for AS22694 — Versant Media Group, Inc.

NIC Handles

AS17035 AS17060 AS19231 AS54040 C09796657 INFOS6-ARIN NBCUA-ARIN NBCUN-3 NBCUN-5 NBCUO-ARIN NBCUT-ARIN