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AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone

Everything the routing table and the registries say about AS4837: who holds it, which registry issued it, and which address blocks it advertises.

Consumer and business ISPsAS4837

1510 IPv4 and 652 IPv6 prefixes announced.

Registry facts

Refreshed daily
AS number
AS4837
Holder
CHINA169-Backbone - CHINA UNICOM China169 Backbone
Country
CN
Regional registry
APNIC — Asia-Pacific Network Information Centre
Registry block
4608-4865 (IANA 16-bit Autonomous System (AS) Numbers Registry)
Announced today
Yes
IPv4 prefixes
1510
IPv6 prefixes
652
Observed at
2026-09-05T16:00:00

Data: RIPEstat. Prefix and holder data comes from the RIPEstat Data API and is cached for 24 hours. The regional registry is derived from the IANA AS number allocation table. Authoritative registry records are served by APNIC RDAP.

Announced prefixes

1510 IPv4 · 652 IPv6
  • 100 IPv4 shown
  • 100 IPv6 shown
  • 1.24.0.0/13
  • 1.30.160.0/24
  • 1.30.162.0/23
  • 1.56.0.0/13
  • 1.62.182.0/24
  • 1.188.0.0/14
  • 14.204.0.0/15
  • 14.204.8.0/22
  • 14.204.20.0/22
  • 14.204.40.0/22
  • 14.204.60.0/22
  • 14.204.208.0/22
  • 14.205.4.0/22
  • 14.205.40.0/21
  • 14.205.72.0/22
  • 14.205.92.0/22
  • 27.0.128.0/24
  • 27.0.130.0/23
  • 27.8.0.0/13
  • 27.40.0.0/24
  • 27.40.1.0/24
  • 27.40.8.0/24
  • 27.40.9.0/24
  • 27.40.10.0/24
  • 27.40.14.0/24
  • 27.40.22.0/24
  • 27.40.23.0/24
  • 27.40.24.0/24
  • 27.40.25.0/24
  • 27.40.26.0/24
  • 27.40.27.0/24
  • 27.40.28.0/24
  • 27.40.29.0/24
  • 27.40.30.0/24
  • 27.40.31.0/24
  • 27.40.32.0/24
  • 27.40.33.0/24
  • 27.40.34.0/24
  • 27.40.35.0/24
  • 27.40.36.0/24
  • 27.40.37.0/24
  • 27.40.38.0/24
  • 27.40.39.0/24
  • 27.40.40.0/24
  • 27.40.41.0/24
  • 27.40.42.0/24
  • 27.40.43.0/24
  • 27.40.44.0/24
  • 27.40.45.0/24
  • 27.40.46.0/24
  • 27.40.47.0/24
  • 27.40.48.0/24
  • 27.40.49.0/24
  • 27.40.50.0/24
  • 27.40.51.0/24
  • 27.40.52.0/24
  • 27.40.53.0/24
  • 27.40.54.0/24
  • 27.40.55.0/24
  • 27.40.56.0/24
  • 27.40.57.0/24
  • 27.40.58.0/24
  • 27.40.59.0/24
  • 27.40.60.0/24
  • 27.40.61.0/24
  • 27.50.128.0/17
  • 27.98.224.0/19
  • 27.112.0.0/21
  • 27.115.80.0/24
  • 27.192.0.0/11
  • 27.223.1.0/24
  • 27.223.98.0/24
  • 27.223.102.0/24
  • 36.32.0.0/14
  • 36.50.226.0/24
  • 36.51.253.0/24
  • 36.248.0.0/14
  • 39.64.0.0/11
  • 42.4.0.0/14
  • 42.48.0.0/15
  • 42.52.0.0/14
  • 42.56.0.0/14
  • 42.63.0.0/16
  • 42.63.7.0/24
  • 42.84.0.0/14
  • 42.176.0.0/13
  • 42.224.0.0/12
  • 42.226.7.0/24
  • 42.227.69.0/24
  • 42.228.2.0/24
  • 42.228.3.0/24
  • 42.228.4.0/24
  • 42.228.7.0/24
  • 42.228.8.0/24
  • 42.228.9.0/24
  • 42.228.11.0/24
  • 42.228.13.0/24
  • 42.235.204.0/24
  • 43.224.12.0/22
  • 43.224.24.0/22
  • 2001:4510:1480::/41
  • 2001:4511:1480::/41
  • 2402:18a0::/32
  • 2402:f140:ff13::/48
  • 2402:f140:ff14::/48
  • 2404:6500:dcb3::/48
  • 2405:1480:3000::/47
  • 2406:1e40:f012::/47
  • 2406:cac0::/40
  • 2406:cac0:200::/40
  • 2407:6c40:1500::/48
  • 2407:6c40:1600::/40
  • 2408:8000::/48
  • 2408:8000:1010::/48
  • 2408:8000:10fe::/48
  • 2408:8000:10ff::/48
  • 2408:8000:2::/48
  • 2408:8000:2000::/36
  • 2408:8000:2009::/48
  • 2408:8000:200e::/48
  • 2408:8000:3::/48
  • 2408:8000:3000::/36
  • 2408:8000:3100::/48
  • 2408:8000:3210::/48
  • 2408:8000:3211::/48
  • 2408:8000:3317::/48
  • 2408:8000:3410::/48
  • 2408:8000:3500::/48
  • 2408:8000:3610::/48
  • 2408:8000:3700::/48
  • 2408:8000:3810::/48
  • 2408:8000:3811::/48
  • 2408:8000:3910::/48
  • 2408:8000:3a13::/48
  • 2408:8000:3b00::/48
  • 2408:8000:3c10::/48
  • 2408:8000:3c11::/48
  • 2408:8000:4000::/36
  • 2408:8000:4000::/48
  • 2408:8000:4002::/48
  • 2408:8000:4003::/48
  • 2408:8000:4004::/48
  • 2408:8000:4005::/48
  • 2408:8000:4006::/48
  • 2408:8000:4007::/48
  • 2408:8000:4008::/48
  • 2408:8000:4009::/48
  • 2408:8000:400a::/48
  • 2408:8000:400b::/48
  • 2408:8000:5000::/36
  • 2408:8000:5000::/48
  • 2408:8000:5005::/48
  • 2408:8000:6000::/36
  • 2408:8000:6001::/48
  • 2408:8000:6002::/48
  • 2408:8000:6003::/48
  • 2408:8000:6004::/48
  • 2408:8000:6005::/48
  • 2408:8000:6006::/48
  • 2408:8000:6007::/48
  • 2408:8000:6008::/48
  • 2408:8000:6009::/48
  • 2408:8000:600a::/48
  • 2408:8000:600b::/48
  • 2408:8000:600c::/48
  • 2408:8000:600d::/48
  • 2408:8000:600e::/48
  • 2408:8000:7000::/36
  • 2408:8000:7000::/48
  • 2408:8000:7200::/48
  • 2408:8000:8000::/36
  • 2408:8000:8010::/47
  • 2408:8000:8010::/48
  • 2408:8000:8020::/48
  • 2408:8000:8030::/48
  • 2408:8000:8040::/48
  • 2408:8000:8050::/48
  • 2408:8000:8060::/48
  • 2408:8000:8070::/48
  • 2408:8000:8080::/48
  • 2408:8000:8090::/48
  • 2408:8000:80a0::/48
  • 2408:8000:80b0::/48
  • 2408:8000:80c0::/48
  • 2408:8000:80d0::/48
  • 2408:8000:a000::/36
  • 2408:8000:a002::/48
  • 2408:8000:a00d::/48
  • 2408:8000:b000::/36
  • 2408:8000:c000::/36
  • 2408:8000:c038::/48
  • 2408:8000:c03b::/48
  • 2408:8000:c03c::/48
  • 2408:8000:d000::/36
  • 2408:8000:d101::/48
  • 2408:8000:d201::/48
  • 2408:8000:d501::/48
  • 2408:8000:da01::/48
  • 2408:8000:e000::/36
  • 2408:8000:eeee::/48

A prefix here is a block this AS was seen originating in BGP, not a block it is guaranteed to own. Announcement and allocation are different facts, and they disagree more often than people expect.

Registry record

apnic
FieldValue
aut-num4837
as-nameCHINA169-Backbone
descrCHINA UNICOM China169 Backbone
countryCN
member-ofAS4837:AS-CNCGROUP
importfrom AS701 action pref=100; accept ANY
importfrom AS1239 action pref=100; accept ANY
importfrom AS4808 action pref=100; accept AS4808
importfrom AS4814 action pref=100; accept AS4814
importfrom AS17816 action pref=100; accept AS17816
importfrom AS-ANY accept ANY
exportto AS701 announce AS4837
exportto AS1239 announce AS4837
exportto AS4808 announce AS4837
exportto AS4814 announce AS4837
exportto AS17816 announce AS4837
exportto AS-ANY announce AS4837:AS-CNCGROUP
admin-cCH444-AP
tech-cCH444-AP
abuse-cAC1718-AP
mnt-routesMAINT-CNCGROUP-RR
mnt-byMAINT-CNCGROUP-RR
mnt-irtIRT-CU-CN
last-modified2024-02-06T04:05:55Z

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