$ query “AS4134” --type=asn → 1 result(s)

AS4134 · CHINANET-BACKBONE

China Telecom

AS4134 is operated by China Telecom and serves as a major transit provider, established in China in 2018. The system announces a whopping 110.7 million IPv4 addresses (2.99% of routable IPv4 space), including a /10, and supports IPv6. Most of its address space is geolocated to China, with additional presence in Hong Kong SAR China and the United States, and smaller footprints in 7 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Space Overlord — Over 10 million IPv4 addresses
  • #1 in China — Top 10 by reach within country

Basic Information

Country
🇨🇳 China
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Overlaid — Community-contributed metadata overlay applied
Registered
May 25, 2018
Last Changed
May 10, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 242 / 398
IPv6 Prefixes (raw / aggregated)
633 / 24
IPv4 Addresses
110 700 032
Largest IPv4 Prefix
/10 (4 194 304 addresses)
Largest IPv6 Prefix
/20
Geolocated Countries
🇨🇳 China (110 689 952 IPs), 🇭🇰 Hong Kong SAR China (3 600 IPs), 🇺🇸 United States (3 408 IPs) and 7 more
Prefix Changed
October 22, 2026

Reputation

Reputation
Fair — 2 841 flagged IPs out of 110 700 032 total (0.00%)
Open Proxies
24 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
134 networks exchanging traffic without transit
Downstream Customers
145 downstreams buying transit
Unclassified
13 unclassified BGP neighbors
Degree
298 unique BGP neighbors
Reach
448 networks in customer cone

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS23764 — CTGNET
  • AS701 — UUNET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (2 242 total)

  • 113.64.0.0/10 (4 194 304 addresses (/10 prefix))
  • 183.0.0.0/10 (4 194 304 addresses (/10 prefix))
  • 49.64.0.0/11 (2 097 152 addresses (/11 prefix))
  • 60.160.0.0/11 (2 097 152 addresses (/11 prefix))
  • 115.192.0.0/11 (2 097 152 addresses (/11 prefix))
  • 125.64.0.0/11 (2 097 152 addresses (/11 prefix))
  • 180.96.0.0/11 (2 097 152 addresses (/11 prefix))
  • 183.128.0.0/11 (2 097 152 addresses (/11 prefix))
  • 14.16.0.0/12 (1 048 576 addresses (/12 prefix))
  • 14.112.0.0/12 (1 048 576 addresses (/12 prefix))
  • 14.144.0.0/12 (1 048 576 addresses (/12 prefix))
  • 14.208.0.0/12 (1 048 576 addresses (/12 prefix))
  • 27.16.0.0/12 (1 048 576 addresses (/12 prefix))
  • 36.16.0.0/12 (1 048 576 addresses (/12 prefix))
  • 58.48.0.0/12 (1 048 576 addresses (/12 prefix))
  • 58.208.0.0/12 (1 048 576 addresses (/12 prefix))
  • 59.48.0.0/12 (1 048 576 addresses (/12 prefix))
  • 110.176.0.0/12 (1 048 576 addresses (/12 prefix))
  • 114.224.0.0/12 (1 048 576 addresses (/12 prefix))
  • 115.224.0.0/12 (1 048 576 addresses (/12 prefix))
  • 116.16.0.0/12 (1 048 576 addresses (/12 prefix))
  • 117.80.0.0/12 (1 048 576 addresses (/12 prefix))
  • 119.128.0.0/12 (1 048 576 addresses (/12 prefix))
  • 121.224.0.0/12 (1 048 576 addresses (/12 prefix))
  • 122.224.0.0/12 (1 048 576 addresses (/12 prefix))
  • 123.160.0.0/12 (1 048 576 addresses (/12 prefix))
  • 124.224.0.0/12 (1 048 576 addresses (/12 prefix))
  • 125.112.0.0/12 (1 048 576 addresses (/12 prefix))
  • 171.208.0.0/12 (1 048 576 addresses (/12 prefix))
  • 175.0.0.0/12 (1 048 576 addresses (/12 prefix))
  • 182.32.0.0/12 (1 048 576 addresses (/12 prefix))
  • 182.96.0.0/12 (1 048 576 addresses (/12 prefix))
  • 182.128.0.0/12 (1 048 576 addresses (/12 prefix))
  • 220.160.0.0/12 (1 048 576 addresses (/12 prefix))
  • 222.80.0.0/12 (1 048 576 addresses (/12 prefix))
  • 222.176.0.0/12 (1 048 576 addresses (/12 prefix))
  • 222.208.0.0/12 (1 048 576 addresses (/12 prefix))
  • 223.144.0.0/12 (1 048 576 addresses (/12 prefix))
  • 1.80.0.0/13 (524 288 addresses (/13 prefix))
  • 1.192.0.0/13 (524 288 addresses (/13 prefix))
  • 14.104.0.0/13 (524 288 addresses (/13 prefix))
  • 27.152.0.0/13 (524 288 addresses (/13 prefix))
  • 27.184.0.0/13 (524 288 addresses (/13 prefix))
  • 36.40.0.0/13 (524 288 addresses (/13 prefix))
  • 36.56.0.0/13 (524 288 addresses (/13 prefix))
  • 36.96.0.0/13 (524 288 addresses (/13 prefix))
  • 42.88.0.0/13 (524 288 addresses (/13 prefix))
  • 49.112.0.0/13 (524 288 addresses (/13 prefix))
  • 59.32.0.0/13 (524 288 addresses (/13 prefix))
  • 106.80.0.0/13 (524 288 addresses (/13 prefix))

IPv6 Prefixes (633 total)

  • 240e::/20
  • 2a04:f580:8010::/47
  • 2a04:f580:8210::/47
  • 2400:9380:8001::/48
  • 2400:9380:8003::/48
  • 2400:9380:8021::/48
  • 2400:9380:8040::/48
  • 2400:9380:8140::/48
  • 2400:9380:8201::/48
  • 2400:9380:8301::/48
  • 2605:9d80:8001::/48
  • 2605:9d80:8011::/48
  • 2605:9d80:8021::/48
  • 2605:9d80:8031::/48
  • 2605:9d80:8041::/48
  • 2605:9d80:8081::/48
  • 2a04:f580:8090::/48
  • 2a04:f580:8290::/48
  • 2c0f:f7a8:8011::/48
  • 2c0f:f7a8:8050::/48
  • 2c0f:f7a8:805f::/48
  • 2c0f:f7a8:8150::/48
  • 2c0f:f7a8:815f::/48
  • 2c0f:f7a8:8211::/48