ResearchRouting table, RPKI, IRR & looking glass

AS4812 China Telecom (Group)

AS4812 (CHINANET-SH-AP) is registered to China Telecom (Group) in CN. It originates 545 prefixes in the global routing table.

447
IPv4 prefixes
98
IPv6 prefixes
8,502,784
IPv4 addresses
88%
RPKI valid
Registration

Who holds AS4812

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS4812
Handle
CHINANET-SH-AP
Organization
China Telecom (Group)
Country
CN
ASPA
None published
Routing

What AS4812 announces

Prefixes originated by AS4812 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
447
IPv6 prefixes
98
IPv4 addresses
8,502,784 (33,214 /24s)
RPKI valid
482 88%
RPKI invalid
0
RPKI not found
63
ROAs naming AS4812
524
With an IRR route object
544 99%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (447)
36.111.0.0/2043.240.196.0/2243.247.100.0/2443.247.101.0/2443.247.102.0/2443.247.103.0/2443.254.44.0/2243.254.220.0/2443.254.221.0/2443.254.222.0/2443.254.223.0/2445.115.144.0/2245.124.124.0/2258.32.0.0/1458.32.0.0/1658.32.0.0/1758.32.128.0/1758.33.0.0/1658.33.218.0/2458.34.0.0/1658.34.26.0/2458.34.164.0/2458.35.0.0/1658.35.0.0/1758.35.128.0/1758.36.0.0/1458.37.0.0/1658.38.0.0/1658.40.0.0/1658.41.0.0/1658.41.0.0/1759.153.92.0/2261.129.0.0/1661.129.0.0/1761.129.128.0/1761.151.0.0/1661.151.0.0/1761.151.128.0/1761.151.238.0/2361.152.0.0/1661.165.0.0/1661.165.0.0/1761.165.128.0/1761.169.0.0/1661.169.0.0/1761.169.58.0/2461.169.128.0/1761.170.0.0/1861.170.64.0/1861.170.128.0/1761.171.0.0/1661.171.0.0/1761.171.128.0/1761.172.0.0/1661.173.0.0/1661.173.0.0/1761.173.128.0/17101.80.0.0/13101.82.0.0/15101.87.0.0/16101.88.0.0/13101.90.0.0/16101.95.144.0/24101.95.174.0/24101.96.10.0/23101.224.0.0/13101.226.0.0/16101.226.186.0/23101.226.188.0/22101.226.192.0/22101.227.0.0/16101.228.0.0/17101.228.0.0/19101.228.32.0/19101.228.64.0/19101.228.96.0/19101.230.0.0/15101.230.0.0/16101.230.64.0/18101.230.80.0/20101.230.128.0/18101.230.152.0/24101.230.155.0/24101.230.177.0/24101.230.215.0/24101.230.226.0/24101.230.250.0/24101.230.253.0/24101.231.0.0/16101.231.36.0/24103.5.192.0/23103.5.194.0/24103.6.220.0/22103.20.248.0/23103.21.140.0/22103.25.64.0/23103.36.132.0/22103.38.252.0/23103.55.172.0/22103.59.168.0/23103.65.8.0/22103.96.224.0/23103.97.112.0/24103.97.113.0/24103.98.220.0/22103.144.158.0/24103.147.124.0/24103.152.56.0/23103.169.50.0/23103.192.252.0/22103.198.124.0/22103.200.221.0/24103.200.222.0/24103.200.224.0/24103.200.228.0/24103.200.232.0/24103.228.228.0/24103.228.231.0/24103.242.168.0/23103.243.252.0/22
Show 327 more
113.21.237.0/24113.21.238.0/24114.28.128.0/19114.80.0.0/16114.81.0.0/16114.82.0.0/16114.83.0.0/16114.84.0.0/16114.84.0.0/17114.84.128.0/17114.85.0.0/16114.86.0.0/16114.86.0.0/17114.86.128.0/17114.87.0.0/16114.88.0.0/16114.88.0.0/17114.88.128.0/17114.89.0.0/16114.89.0.0/24114.90.0.0/16114.91.0.0/16114.92.0.0/16114.92.0.0/17114.92.128.0/17114.93.0.0/16114.93.0.0/17114.93.128.0/17114.94.0.0/16114.94.25.0/24114.94.51.0/24114.95.0.0/16114.111.191.0/24116.66.36.0/24116.66.54.0/24116.66.55.0/24116.66.98.0/24116.192.0.0/17116.192.0.0/19116.192.32.0/19116.192.64.0/19116.192.96.0/19116.192.128.0/17116.192.128.0/19116.192.160.0/19116.192.160.0/20116.192.192.0/19116.192.224.0/19116.224.0.0/17116.224.128.0/17116.225.0.0/17116.225.128.0/17116.226.0.0/16116.227.0.0/16116.227.0.0/17116.227.128.0/17116.228.0.0/15116.228.0.0/16116.229.0.0/16116.229.0.0/19116.229.26.0/23116.229.26.0/24116.229.27.0/24116.229.239.0/24116.230.0.0/16116.230.0.0/17116.230.128.0/17116.231.0.0/16116.232.0.0/16116.232.0.0/17116.232.128.0/17116.233.0.0/16116.233.0.0/17116.233.128.0/17116.234.0.0/16116.234.0.0/17116.234.128.0/17116.235.0.0/16116.235.0.0/17116.235.128.0/17116.236.0.0/15116.236.0.0/16116.236.6.0/24116.236.66.0/24116.236.69.0/24116.236.158.0/24116.236.212.0/24116.237.0.0/16116.237.0.0/17116.237.128.0/17116.238.0.0/15116.238.0.0/16116.238.252.0/24116.239.0.0/16116.239.0.0/17116.239.0.0/19116.239.32.0/19116.239.64.0/19116.239.96.0/19116.239.128.0/17116.239.128.0/19116.239.160.0/19116.239.192.0/19116.239.224.0/19116.246.0.0/15116.246.0.0/16116.246.0.0/19116.246.1.0/24116.246.32.0/19116.246.64.0/19116.246.96.0/19116.246.128.0/19116.246.160.0/19116.246.192.0/19116.246.224.0/19116.247.0.0/17116.247.0.0/19116.247.32.0/19116.247.64.0/19116.247.73.0/24116.247.96.0/19116.247.128.0/17116.247.128.0/19116.247.160.0/19116.247.192.0/19116.247.224.0/19117.74.128.0/21117.74.136.0/22118.242.0.0/22118.242.16.0/22118.242.24.0/22118.242.32.0/22118.242.40.0/24119.15.136.0/23119.15.140.0/24119.15.141.0/24120.136.156.0/22120.136.160.0/21120.136.164.0/24120.136.165.0/24120.136.166.0/24120.136.167.0/24121.46.224.0/22123.49.192.0/24123.49.193.0/24124.74.0.0/16124.74.52.0/24124.75.0.0/16124.76.0.0/15124.77.0.0/16124.78.0.0/15124.78.0.0/16124.79.0.0/16139.159.32.0/22146.196.56.0/22150.129.192.0/22160.83.110.0/24163.47.4.0/22163.53.88.0/21167.139.0.0/16167.139.0.0/17167.139.128.0/17175.102.11.0/24180.152.0.0/13180.152.0.0/16180.153.0.0/16180.153.86.0/23180.153.88.0/23180.153.153.0/24180.154.0.0/16180.155.0.0/16180.157.0.0/17180.157.128.0/17180.158.0.0/16180.159.0.0/16180.160.0.0/13180.164.0.0/17180.164.128.0/17180.166.0.0/15180.166.0.0/16180.166.0.0/17180.166.128.0/17180.166.168.0/24180.167.0.0/16180.167.162.0/24180.167.224.0/24180.168.0.0/13180.168.0.0/16180.168.0.0/24180.168.1.0/24180.168.2.0/24180.168.3.0/24180.168.4.0/24180.168.5.0/24180.168.6.0/24180.168.7.0/24180.168.8.0/24180.168.9.0/24180.168.10.0/24180.168.11.0/24180.168.12.0/24180.168.13.0/24180.168.14.0/24180.168.15.0/24180.168.16.0/24180.168.17.0/24180.168.18.0/24180.168.19.0/24180.168.20.0/24180.168.21.0/24180.168.22.0/24180.168.23.0/24180.168.24.0/24180.168.25.0/24180.168.26.0/24180.168.27.0/24180.168.28.0/24180.168.29.0/24180.168.30.0/24180.168.31.0/24180.168.33.0/24180.168.123.0/24180.168.254.0/24180.169.0.0/16180.169.65.0/24180.169.146.0/24180.170.128.0/17180.170.128.0/20180.171.0.0/16180.172.0.0/16180.175.0.0/16192.232.97.0/24198.208.17.0/24198.208.19.0/24198.208.30.0/24198.208.61.0/24198.208.63.0/24198.208.67.0/24198.208.112.0/24198.208.113.0/24202.38.132.0/23202.38.133.0/24202.38.134.0/24202.47.104.0/24202.47.105.0/24202.47.106.0/24202.47.108.0/24202.47.109.0/24202.57.197.0/24202.57.200.0/24202.89.96.0/24202.96.192.0/18202.96.192.0/19202.96.194.0/24202.96.224.0/19202.101.0.0/19202.101.32.0/19202.109.0.0/18202.109.64.0/18202.111.244.0/24202.136.216.0/23202.170.220.0/23203.110.160.0/19203.110.160.0/22203.110.164.0/22203.110.168.0/22203.110.171.0/24203.110.172.0/22203.110.176.0/22203.110.176.0/23203.110.180.0/24203.156.192.0/18203.156.206.0/23203.212.80.0/23210.2.0.0/24210.5.152.0/21210.16.180.0/24210.16.185.0/24210.73.192.0/22210.74.224.0/20210.74.240.0/20211.148.0.0/18211.152.32.0/19211.156.0.0/19211.157.16.0/22211.167.128.0/19218.1.0.0/16218.78.0.0/17218.78.128.0/17218.79.0.0/16218.79.0.0/17218.79.128.0/17218.80.0.0/16218.80.64.0/18218.80.128.0/18218.81.0.0/16218.81.0.0/17218.81.128.0/17218.82.0.0/16218.82.0.0/17218.82.128.0/17218.83.0.0/16218.96.126.0/24221.133.225.0/24221.133.226.0/24221.133.228.0/23221.133.230.0/23221.133.232.0/23221.133.235.0/24221.133.244.0/24221.133.245.0/24221.239.128.0/17222.64.0.0/16222.65.0.0/16222.66.0.0/16222.66.23.0/24222.67.0.0/16222.68.0.0/16222.68.240.0/20222.69.0.0/16222.70.0.0/16222.71.0.0/16222.72.0.0/16222.73.0.0/16222.73.236.0/22222.73.242.0/23222.73.244.0/22
IPv6 (98)
2400:6e60:1301::/482400:9600:8800::/482405:7040:6000::/48240e:18::/33240e:18:2::/48240e:18:8000::/33240e:19::/33240e:19:8000::/33240e:2e::/35240e:2e:2000::/35240e:2e:4000::/35240e:2e:6000::/35240e:58::/33240e:58:8000::/33240e:58:c000::/36240e:59::/33240e:e0::/32240e:e0:f000::/36240e:e1::/36240e:e1:8000::/33240e:e2::/35240e:e3:8000::/33240e:e5:8000::/33240e:e5:8000::/48240e:e5:8e00::/48240e:e6::/32240e:e6::/36240e:106:c000::/36240e:106:d000::/36240e:106:e000::/36240e:106:f000::/36240e:108:11a1::/48240e:108:11a2::/48240e:108:4021::/48240e:108:4022::/48240e:108:4821::/48240e:108:4822::/48240e:146:c000::/36240e:146:d000::/36240e:146:e000::/36240e:146:f000::/36240e:186:c000::/36240e:186:d000::/36240e:186:e000::/36240e:186:f000::/36240e:1c6:c000::/36240e:1c6:d000::/36240e:1c6:e000::/36240e:1c6:f000::/36240e:26c::/32240e:26d::/32240e:26e::/32240e:26f::/32240e:388::/32240e:389::/32240e:38a::/32240e:38b::/32240e:38c::/32240e:38d::/32240e:38e::/32240e:38f::/32240e:46c::/32240e:46d::/32240e:46e::/32240e:46f::/32240e:56c::/32240e:56d::/32240e:56e::/32240e:56f::/32240e:688::/32240e:688:600::/40240e:688:e600::/43240e:688:e630::/44240e:688:e640::/42240e:688:e6a0::/43240e:688:e6c0::/43240e:688:e6f0::/44240e:688:ed02::/48240e:689::/32240e:68a::/32240e:68b::/32240e:68c::/32240e:68d::/32240e:68e::/32240e:68f::/32240e:788::/32240e:789::/32240e:78a::/32240e:78b::/32240e:78c::/32240e:78d::/32240e:78e::/32240e:78f::/32240e:96c::/32240e:96d::/32240e:96e::/32240e:96f::/32240e:982:a200::/40

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS4812 is reached through

The AS just before AS4812 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS4134 CHINANET-BACKBONE 39AS4809 CHINATELECOM-CORE-WAN-CN2 13
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
APNICCHINANET-SH-APAPNIC-HM
RADBSHANGHAITELECOMMAINT-AS4812

Route objects with origin AS4812: RADB 728 · NTTCOM 47 · APNIC 7 · ARIN 1

as-sets that list AS4812 (23)
AS-ANC-CUSTOMER-PROXY-REGISTERAS-CN2AS-CTGNETAS-CTGNET-CUTAS-CTSHAS-EMIXAS-HURRICANEV6AS-HUTCHCITYAS-KDDCUSTOMER2AS-LJ-NETAS-PACNET-DOWNSTREAM-HKAS-PACNET-DOWNSTREAM-PHAS-REACH-CUSTOMERSAS-RESEARCH-CN-CHINANET-SHANGHAIAS-TELSTRA-INTL-CUSTOMERSAS-TELSTRA-INTL-CUSTOMERS-4637AS142040:AS-HKCTNTCAS199746:AS-BLACKLISTAS204464:AS-BLACKLISTAS293:AS-FROM-SINGAREN-TO-ESNETAS395047:AS-ALLAS58453:AS-ASIAASCUSTAS58536:AS-PEERS
Tools

Check AS4812 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup