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Autonomous System

AS151397

China Telecom

Announced IPs
4,864
CIDR prefixes
16
ASN
AS151397

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
193.119.8.0/22 1.0K
0.0%
China Telecom CN
193.119.6.0/23 512
0.0%
China Telecom CN
193.119.10.0/23 512
0.0%
China Telecom CN
193.119.12.0/23 512
0.0%
China Telecom CN
193.119.20.0/23 512
0.0%
China Telecom CN
193.119.0.0/24 256
0.0%
China Telecom CN
193.119.4.0/24 256
0.0%
China Telecom CN
193.119.6.0/24 256
0.0%
China Telecom CN
193.119.7.0/24 256
0.0%
China Telecom BR
193.119.8.0/24 256
0.0%
China Telecom CN
193.119.9.0/24 256
0.0%
China Telecom BR
193.119.12.0/24 256
0.0%
China Telecom US
193.119.13.0/24 256
0.0%
China Telecom NL
193.119.15.0/24 256
0.0%
China Telecom CN
193.119.17.0/24 256
0.0%
China Telecom CN
193.119.19.0/24 256
0.0%
China Telecom CN
193.119.20.0/24 256
0.0%
China Telecom CN
193.119.21.0/24 256
0.0%
China Telecom DE
193.119.22.0/24 256
0.0%
China Telecom CN
193.119.25.0/24 256
0.0%
China Telecom CN
193.119.28.0/24 256
0.0%
China Telecom CN
193.119.30.0/24 256
0.0%
China Telecom CN

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS151397 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
193.119.22.0/24 37,934 2026-09-11 18:22:43
193.119.9.0/24 19,377 2026-09-11 18:43:20
193.119.19.0/24 18,772 2026-09-11 18:44:26
193.119.10.0/24 17,839 2026-09-11 18:44:55
193.119.12.0/24 17,323 2026-09-11 18:43:53
193.119.30.0/24 16,191 2026-09-11 18:44:55
193.119.20.0/24 16,130 2026-09-11 18:44:55
193.119.15.0/24 14,478 2026-09-11 18:43:52
193.119.25.0/24 13,231 2026-09-11 18:44:29
193.119.17.0/24 12,270 2026-09-11 18:41:43
193.119.6.0/24 12,012 2026-09-11 18:41:38
193.119.28.0/24 11,782 2026-09-11 18:41:43
193.119.13.0/24 11,201 2026-09-11 18:43:53
193.119.4.0/24 10,573 2026-09-11 18:43:56
193.119.21.0/24 10,312 2026-09-11 18:44:24
193.119.7.0/24 10,269 2026-09-11 18:43:20
193.119.11.0/24 10,221 2026-09-11 18:44:27
193.119.8.0/24 8,068 2026-09-11 18:43:56
193.119.0.0/24 7,274 2026-09-11 18:43:53

Frequently Asked Questions

What is AS151397?

AS151397 is an Autonomous System Number assigned to China Telecom. 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 AS151397 announce?

AS151397 announces 4.9K IPv4 addresses distributed across 16 routed CIDR prefixes. The network is registered in China.

Who operates AS151397?

AS151397 is operated by China Telecom. The organization is based in China. You can view all IP ranges and related ASNs on the organization page.

What country is AS151397 registered in?

AS151397 is registered in China. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 18:56:10 UTC
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