$ 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 Australia and Costa Rica, and smaller footprints in 8 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
September 06, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 220 / 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 (195 444 032 IPs), 🇦🇺 Australia (2 530 208 IPs), 🇨🇷 Costa Rica (131 072 IPs) and 8 more
Prefix Changed
September 04, 2026

Reputation

Reputation
Fair — 3 765 flagged IPs out of 110 700 032 total (0.00%)
Open Proxies
26 known open proxies in this network

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
149 networks exchanging traffic without transit
Downstream Customers
145 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
307 unique BGP neighbors
Reach
23 283 networks in customer cone

Upstream Providers (6)

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

Prefix Lists

IPv4 Prefixes (2 220 total)

  • 113.64.0.0/10 (4 194 304 addresses (/10 prefix))
  • 183.0.0.0/10 (4 194 304 addresses (/10 prefix))
  • 183.128.0.0/11 (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))
  • 60.160.0.0/11 (2 097 152 addresses (/11 prefix))
  • 180.96.0.0/11 (2 097 152 addresses (/11 prefix))
  • 49.64.0.0/11 (2 097 152 addresses (/11 prefix))
  • 58.208.0.0/12 (1 048 576 addresses (/12 prefix))
  • 182.32.0.0/12 (1 048 576 addresses (/12 prefix))
  • 222.208.0.0/12 (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))
  • 222.176.0.0/12 (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))
  • 223.144.0.0/12 (1 048 576 addresses (/12 prefix))
  • 222.80.0.0/12 (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))
  • 36.16.0.0/12 (1 048 576 addresses (/12 prefix))
  • 117.80.0.0/12 (1 048 576 addresses (/12 prefix))
  • 220.160.0.0/12 (1 048 576 addresses (/12 prefix))
  • 175.0.0.0/12 (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))
  • 59.48.0.0/12 (1 048 576 addresses (/12 prefix))
  • 14.16.0.0/12 (1 048 576 addresses (/12 prefix))
  • 14.112.0.0/12 (1 048 576 addresses (/12 prefix))
  • 58.48.0.0/12 (1 048 576 addresses (/12 prefix))
  • 182.128.0.0/12 (1 048 576 addresses (/12 prefix))
  • 182.96.0.0/12 (1 048 576 addresses (/12 prefix))
  • 36.56.0.0/13 (524 288 addresses (/13 prefix))
  • 121.8.0.0/13 (524 288 addresses (/13 prefix))
  • 222.240.0.0/13 (524 288 addresses (/13 prefix))
  • 180.136.0.0/13 (524 288 addresses (/13 prefix))
  • 182.144.0.0/13 (524 288 addresses (/13 prefix))
  • 106.80.0.0/13 (524 288 addresses (/13 prefix))
  • 59.32.0.0/13 (524 288 addresses (/13 prefix))
  • 1.192.0.0/13 (524 288 addresses (/13 prefix))
  • 182.200.0.0/13 (524 288 addresses (/13 prefix))
  • 171.104.0.0/13 (524 288 addresses (/13 prefix))
  • 182.240.0.0/13 (524 288 addresses (/13 prefix))
  • 183.64.0.0/13 (524 288 addresses (/13 prefix))

IPv6 Prefixes (633 total)

  • 240e::/20
  • 2a04:f580:8210::/47
  • 2a04:f580:8010::/47
  • 2605:9d80:8041::/48
  • 2400:9380:8021::/48
  • 2400:9380:8201::/48
  • 2400:9380:8301::/48
  • 2400:9380:8040::/48
  • 2605:9d80:8001::/48
  • 2605:9d80:8011::/48
  • 2605:9d80:8021::/48
  • 2605:9d80:8031::/48
  • 2400:9380:8001::/48
  • 2605:9d80:8081::/48
  • 2400:9380:8140::/48
  • 2a04:f580:8090::/48
  • 2400:9380:8003::/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