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WorldIP.io
Autonomous System

AS17035

NBCUniversal

Announced IPs
24,832
CIDR prefixes
30
ASN
AS17035

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.

65/100
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
50.228.144.0/20 4.1K
0.2%
NBCUniversal US New York New York
50.230.144.0/20 4.1K
0.0%
NBCUniversal US California Burbank
216.178.96.0/20 4.1K
1.0%
NBCUniversal US — —
50.207.32.0/21 2.0K
0.0%
NBCUniversal US — —
70.39.44.0/22 1.0K
0.0%
NBCUniversal US — —
209.23.192.0/22 1.0K
0.0%
NBCUniversal US — —
216.4.176.0/22 1.0K
0.2%
NBCUniversal US California Los Angeles
50.221.162.0/23 512
0.0%
NBCUniversal US — —
70.39.32.0/23 512
0.0%
NBCUniversal US — —
70.39.48.0/23 512
0.0%
NBCUniversal US — —
70.39.58.0/23 512
0.0%
NBCUniversal US — —
70.39.62.0/23 512
0.0%
NBCUniversal US — —
204.237.248.0/23 512
0.4%
NBCUniversal US — —
8.11.200.0/24 256
0.0%
NBCUniversal US — —
50.149.85.0/24 256
0.0%
NBCUniversal US — —
50.172.163.0/24 256
0.4%
NBCUniversal US — —
50.175.130.0/24 256
0.0%
NBCUniversal US — —
50.200.194.0/24 256
0.0%
NBCUniversal US — —
50.218.3.0/24 256
0.0%
NBCUniversal US — —
50.218.20.0/24 256
0.0%
NBCUniversal US — —
50.218.36.0/24 256
0.0%
NBCUniversal US — —
50.220.223.0/24 256
0.0%
NBCUniversal US — —
50.221.27.0/24 256
0.0%
NBCUniversal US — —
50.225.179.0/24 256
0.0%
NBCUniversal US Illinois Lockport
50.227.232.0/24 256
0.0%
NBCUniversal US Florida Miami
50.229.129.0/24 256
0.0%
NBCUniversal US New Jersey Vineland
70.39.61.0/24 256
0.0%
NBCUniversal US — —
70.39.62.0/24 256
0.0%
NBCUniversal GB — —
173.213.208.0/24 256
0.8%
NBCUniversal US — —
192.251.69.0/24 256
0.0%
NBCUniversal US — —
209.116.149.0/24 256
0.0%
NBCUniversal US — —
70.39.32.128/25 128
0.0%
NBCUniversal GB — —
70.39.33.0/25 128
0.0%
NBCUniversal GB — —
70.39.32.64/26 64
0.0%
NBCUniversal GB — —
70.39.33.128/26 64
0.0%
NBCUniversal GB — —
70.39.32.32/27 32
0.0%
NBCUniversal GB — —
70.39.33.192/27 32
0.0%
NBCUniversal GB — —
70.39.32.0/28 16
0.0%
NBCUniversal GB — —
70.39.33.224/28 16
0.0%
NBCUniversal GB — —
70.39.32.16/29 8
0.0%
NBCUniversal GB — —
70.39.33.240/29 8
0.0%
NBCUniversal GB — —
70.39.32.24/30 4
0.0%
NBCUniversal GB — —
70.39.33.248/30 4
0.0%
NBCUniversal GB — —
70.39.32.28/31 2
0.0%
NBCUniversal GB — —
70.39.33.252/31 2
0.0%
NBCUniversal GB — —
70.39.32.30/32 1
0.0%
NBCUniversal US — —
70.39.32.31/32 1
0.0%
NBCUniversal GB — —
70.39.33.254/32 1
0.0%
NBCUniversal US — —
70.39.33.255/32 1
0.0%
NBCUniversal GB — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS17035 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
70.39.49.0/24 126,391 2026-11-13 15:51:28
216.178.104.0/21 100,123 2026-11-13 15:51:28
50.225.179.0/24 54,150 2026-11-13 15:51:28
50.221.27.0/24 51,515 2026-11-13 15:51:33
50.175.130.0/24 49,602 2026-11-13 15:51:24
70.39.58.0/24 47,638 2026-10-20 14:31:15
70.39.59.0/24 47,620 2026-10-20 14:31:15
50.220.223.0/24 45,489 2026-11-13 15:51:41
50.218.3.0/24 44,306 2026-11-13 15:51:07
50.227.232.0/24 44,220 2026-11-13 15:51:41
192.251.69.0/24 43,190 2026-11-13 15:51:28
173.213.208.0/24 43,088 2026-11-13 15:51:41
50.149.85.0/24 42,374 2026-11-13 15:51:40
70.39.62.0/24 34,089 2026-11-13 15:51:24
50.218.20.0/24 33,177 2026-11-13 15:51:11
8.11.200.0/24 32,947 2026-11-13 15:52:56
70.39.63.0/24 31,860 2026-09-16 23:23:03
70.39.61.0/24 29,683 2026-11-13 15:51:17
70.39.47.0/24 27,123 2026-11-13 15:51:25
50.200.194.0/24 25,762 2026-11-13 15:53:34
50.221.162.0/23 25,528 2026-11-13 15:53:22
70.39.44.0/24 23,268 2026-11-13 15:51:30
50.230.144.0/20 22,737 2026-11-13 15:51:08
209.23.192.0/22 22,142 2026-11-13 15:52:01
70.39.46.0/24 21,169 2026-11-13 15:51:25
50.207.32.0/21 20,646 2026-11-13 15:51:09
50.218.36.0/24 20,206 2026-11-13 15:53:22
50.229.129.0/24 19,668 2026-11-13 15:53:22
216.4.178.0/23 19,091 2026-11-13 15:51:41
216.4.176.0/23 19,074 2026-11-13 15:51:41
70.39.45.0/24 18,473 2026-11-13 15:51:30
50.228.144.0/20 18,205 2026-11-13 15:51:09
204.237.248.0/23 13,850 2026-11-13 15:51:25
209.116.149.0/24 13,842 2026-11-13 15:51:34
216.4.176.0/22 13,345 2026-11-13 15:51:34
70.39.32.0/24 12,640 2026-11-13 15:57:20
216.178.96.0/21 12,090 2026-11-13 15:51:25
50.172.163.0/24 11,504 2026-11-13 15:51:13
70.39.48.0/24 9,694 2026-11-13 15:51:25
70.39.33.0/24 2,804 2026-11-13 15:57:20
64.129.180.0/24 1,402 2026-05-21 06:45:58

Frequently Asked Questions

What is AS17035?

AS17035 is an Autonomous System Number assigned to NBCUniversal. 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 AS17035 announce?

AS17035 announces 24.8K IPv4 addresses distributed across 30 routed CIDR prefixes. The network is registered in United States.

Who operates AS17035?

AS17035 is operated by NBCUniversal. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS17035 registered in?

AS17035 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 15:54:05 UTC
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