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Autonomous System

AS212465

Comcast International Holdings UK Limited

Announced IPs
41,984
CIDR prefixes
4
ASN
AS212465

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
184.120.0.0/18 16.4K
0.0%
Comcast International Holdings UK Limited US — —
184.120.128.0/18 16.4K
0.2%
Comcast International Holdings UK Limited US — —
184.120.64.0/19 8.2K
0.0%
Comcast International Holdings UK Limited US — —
184.120.32.0/21 2.0K
0.0%
Comcast International Holdings UK Limited US — —
184.120.56.0/21 2.0K
0.0%
Comcast International Holdings UK Limited US — —
184.120.20.0/22 1.0K
0.0%
Comcast International Holdings UK Limited DE — —
184.120.40.0/22 1.0K
0.0%
Comcast International Holdings UK Limited US — —
184.120.52.0/22 1.0K
0.0%
Comcast International Holdings UK Limited US — —
184.120.72.0/22 1.0K
0.0%
Comcast International Holdings UK Limited DE — —
184.120.84.0/22 1.0K
0.0%
Comcast International Holdings UK Limited US — —
184.120.92.0/22 1.0K
0.0%
Comcast International Holdings UK Limited US — —
184.124.0.0/22 1.0K
1.6%
Comcast International Holdings UK Limited US — —
184.120.0.0/23 512
0.0%
Comcast International Holdings UK Limited DE — —
184.120.2.0/23 512
0.0%
Comcast International Holdings UK Limited US — —
184.120.6.0/23 512
0.2%
Comcast International Holdings UK Limited DE — —
184.120.18.0/23 512
0.0%
Comcast International Holdings UK Limited DE — —
184.120.24.0/23 512
0.0%
Comcast International Holdings UK Limited US — —
184.120.28.0/23 512
0.0%
Comcast International Holdings UK Limited US — —
184.120.46.0/23 512
0.0%
Comcast International Holdings UK Limited US — —
184.120.48.0/23 512
0.4%
Comcast International Holdings UK Limited US — —
184.120.64.0/23 512
0.0%
Comcast International Holdings UK Limited DE — —
184.120.66.0/23 512
0.0%
Comcast International Holdings UK Limited US — —
184.120.68.0/23 512
0.0%
Comcast International Holdings UK Limited DE — —
184.120.70.0/23 512
0.0%
Comcast International Holdings UK Limited US — —
184.120.80.0/23 512
0.0%
Comcast International Holdings UK Limited DE — —
184.120.82.0/23 512
0.0%
Comcast International Holdings UK Limited US — —
184.120.88.0/23 512
0.0%
Comcast International Holdings UK Limited DE — —
184.120.90.0/23 512
0.0%
Comcast International Holdings UK Limited US — —
184.120.4.0/24 256
0.0%
Comcast International Holdings UK Limited DE — —
184.120.5.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.8.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.9.0/24 256
0.8%
Comcast International Holdings UK Limited DE — —
184.120.10.0/24 256
0.0%
Comcast International Holdings UK Limited DE — —
184.120.11.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.12.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.13.0/24 256
0.4%
Comcast International Holdings UK Limited DE — —
184.120.14.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.15.0/24 256
0.0%
Comcast International Holdings UK Limited DE — —
184.120.16.0/24 256
0.0%
Comcast International Holdings UK Limited DE — —
184.120.17.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.26.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.27.0/24 256
0.0%
Comcast International Holdings UK Limited DE — —
184.120.30.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.31.0/24 256
0.0%
Comcast International Holdings UK Limited DE — —
184.120.44.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.51.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.76.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.77.0/24 256
0.0%
Comcast International Holdings UK Limited DE — —
184.120.78.0/24 256
0.0%
Comcast International Holdings UK Limited DE — —
184.120.79.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.124.0.0/24 256
3.1%
Comcast International Holdings UK Limited DE — —
184.124.1.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.124.2.0/24 256
2.7%
Comcast International Holdings UK Limited GB — —
184.124.3.0/24 256
0.0%
Comcast International Holdings UK Limited US — —
184.120.45.128/25 128
0.0%
Comcast International Holdings UK Limited US — —
184.120.50.0/25 128
0.0%
Comcast International Holdings UK Limited US — —
184.120.45.0/26 64
0.0%
Comcast International Holdings UK Limited US — —
184.120.50.128/26 64
0.0%
Comcast International Holdings UK Limited US — —
184.120.45.64/27 32
0.0%
Comcast International Holdings UK Limited US — —
184.120.45.96/27 32
0.0%
Comcast International Holdings UK Limited GB — —
184.120.50.224/27 32
0.0%
Comcast International Holdings UK Limited US — —
184.120.50.192/28 16
0.0%
Comcast International Holdings UK Limited US — —
184.120.50.208/29 8
0.0%
Comcast International Holdings UK Limited US — —
184.120.50.216/30 4
0.0%
Comcast International Holdings UK Limited US — —
184.120.50.220/30 4
0.0%
Comcast International Holdings UK Limited GB — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS212465 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
184.120.160.0/20 72,977 2026-11-13 08:28:46
184.120.128.0/20 72,571 2026-11-13 08:28:46
184.120.48.0/20 72,455 2026-11-13 08:28:46
184.120.144.0/20 72,294 2026-11-13 08:28:46
184.120.32.0/20 72,007 2026-11-13 08:28:46
184.120.64.0/19 35,978 2026-11-13 04:21:19
184.120.0.0/19 35,745 2026-11-13 04:21:19
184.124.0.0/23 33,546 2026-11-13 08:18:12
184.120.160.0/19 13,965 2026-11-13 08:18:26
184.120.128.0/19 13,868 2026-11-13 08:18:26
184.120.32.0/19 13,750 2026-11-13 08:18:26
184.124.2.0/23 12,283 2026-11-13 08:18:26

Frequently Asked Questions

What is AS212465?

AS212465 is an Autonomous System Number assigned to Comcast International Holdings UK Limited. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS212465 announce?

AS212465 announces 42.0K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS212465?

AS212465 is operated by Comcast International Holdings UK Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS212465 registered in?

AS212465 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 08:39:05 UTC
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