ResearchRouting table, RPKI, IRR & looking glass

AS4809 China Telecom Next Generation Carrier Network

AS4809 (CHINATELECOM-CORE-WAN-CN2) is registered to China Telecom Next Generation Carrier Network in CN. It originates 425 prefixes in the global routing table.

232
IPv4 prefixes
193
IPv6 prefixes
582,400
IPv4 addresses
97%
RPKI valid
Registration

Who holds AS4809

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

AS number
AS4809
Handle
CHINATELECOM-CORE-WAN-CN2
Organization
China Telecom Next Generation Carrier Network
Country
CN
ASPA
None published
Routing

What AS4809 announces

Prefixes originated by AS4809 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
232
IPv6 prefixes
193
IPv4 addresses
582,400 (2,275 /24s)
RPKI valid
416 97%
RPKI invalid
1
RPKI not found
8
ROAs naming AS4809
879
With an IRR route object
421 99%
Prefixes

Announced prefixes

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

IPv4 (232)
1.71.103.0/241.71.119.0/241.81.92.0/241.81.93.0/241.203.112.0/231.203.112.0/241.203.113.0/245.10.138.0/245.10.139.0/245.10.140.0/245.10.143.0/2427.148.22.0/2427.148.23.0/2427.148.248.0/2127.156.44.0/2327.191.140.0/2436.1.209.0/2436.1.210.0/2336.112.212.0/2458.43.192.0/1858.49.108.0/2458.209.172.0/2358.209.176.0/2258.209.179.0/2458.221.146.0/2459.47.56.0/2459.47.57.0/2459.49.112.0/2259.49.116.0/2459.49.118.0/2459.49.119.0/2459.49.120.0/2459.49.121.0/2459.49.122.0/2459.49.123.0/2459.49.124.0/2459.49.125.0/2459.49.126.0/2459.60.0.0/2059.60.8.0/2459.60.12.0/2459.173.248.0/2460.168.127.0/2460.168.148.0/2461.130.2.0/2361.154.224.0/2361.154.225.0/2463.140.3.0/2466.102.241.0/2466.102.247.0/2466.102.249.0/2466.102.252.0/2466.102.254.0/2469.163.106.0/2469.163.123.0/24106.9.0.0/18106.9.122.0/24106.16.240.0/20106.33.193.0/24106.41.64.0/24106.41.65.0/24106.83.137.0/24112.67.112.0/24112.67.113.0/24114.231.181.0/24115.169.32.0/24115.169.39.0/24115.169.40.0/24115.200.192.0/21115.200.192.0/22115.200.208.0/20115.200.208.0/21115.224.2.0/24116.6.0.0/16116.6.7.0/24116.6.30.0/23116.6.48.0/23116.6.93.0/24116.6.112.0/22116.6.142.0/24116.6.204.0/22116.8.0.0/19116.211.0.0/18116.211.5.0/24116.211.6.0/24116.211.31.0/24116.248.192.0/19117.28.224.0/19117.28.225.0/24117.28.234.0/24117.38.0.0/16117.41.0.0/17117.41.48.0/20118.85.128.0/21118.85.206.0/24118.85.207.0/24119.121.0.0/17120.41.108.0/24120.41.117.0/24121.58.96.0/19121.58.116.0/23121.58.126.0/23121.59.4.0/22121.59.4.0/24121.59.8.0/21122.225.128.0/22122.225.144.0/20122.225.224.0/19123.101.0.0/21123.101.8.0/22123.101.12.0/24123.101.28.0/23123.151.192.0/18123.167.110.0/24123.167.111.0/24123.167.128.0/20123.167.156.0/22123.168.0.0/18123.172.0.0/19123.177.0.0/17
Show 112 more
123.178.0.0/20124.31.231.0/24124.31.253.0/24124.119.246.0/24124.227.64.0/23124.227.66.0/23124.233.0.0/16125.69.72.0/21125.69.240.0/20125.72.240.0/21125.76.16.0/20144.7.0.0/22145.14.71.0/24145.14.72.0/24145.14.73.0/24145.14.74.0/24145.14.75.0/24145.14.81.0/24145.14.82.0/24145.14.84.0/24145.14.86.0/24145.14.88.0/24145.14.90.0/24147.78.132.0/23154.72.47.0/24180.101.0.0/20180.101.4.0/24180.101.10.0/24180.101.13.0/24180.101.14.0/24180.101.17.0/24180.101.18.0/24180.103.56.0/24180.103.64.0/23182.33.126.0/24182.33.253.0/24182.140.254.0/23182.148.96.0/21182.148.100.0/22182.149.128.0/20182.149.139.0/24182.151.198.0/24182.151.212.0/24183.91.48.0/21183.91.61.0/24183.131.252.0/22183.134.222.0/24185.75.173.0/24185.75.174.0/24202.55.0.0/19202.55.24.0/24202.55.27.0/24202.55.28.0/24202.59.213.0/24202.67.3.0/24202.100.97.0/24202.111.0.0/19202.111.32.0/19202.111.192.0/20202.111.208.0/20203.8.25.0/24203.12.91.0/24203.12.93.0/24203.12.95.0/24203.13.81.0/24203.15.114.0/24203.25.52.0/24203.32.203.0/24203.32.212.0/24203.33.4.0/24203.33.7.0/24203.33.21.0/24203.33.26.0/24203.86.112.0/24203.129.12.0/24203.129.13.0/24203.129.14.0/24203.129.15.0/24203.194.122.0/24203.194.123.0/24203.194.124.0/24203.195.113.0/24203.195.114.0/24203.195.118.0/24203.195.119.0/24203.223.21.0/24210.5.56.0/21210.5.59.0/24210.5.60.0/24218.4.46.0/24218.94.117.0/24218.100.88.0/21218.100.92.0/24218.100.95.0/24218.185.240.0/21218.185.242.0/24218.185.246.0/24220.167.76.0/22220.182.40.0/23220.191.160.0/19221.226.140.0/24221.230.1.0/24221.231.12.0/24221.231.96.0/24221.231.98.0/24221.237.232.0/24221.237.233.0/24222.87.208.0/21222.92.1.0/24222.92.231.0/24222.189.67.0/24222.189.72.0/24
IPv6 (193)
2400:9380:9001::/482400:9380:9009::/482400:9380:9020::/482400:9380:9021::/482400:9380:9050::/482400:9380:9051::/482400:9380:9060::/482400:9380:9071::/482400:9380:9080::/482400:9380:9081::/482400:9380:90b1::/482400:9380:90b2::/482400:9380:90b3::/482400:9380:90b4::/482400:9380:90b5::/482400:9380:90b6::/482400:9380:90b7::/482400:9380:9109::/482400:9380:9121::/482400:9380:9220::/482400:9380:9221::/482400:9380:9250::/482400:9380:9251::/482400:9380:9260::/482400:9380:9271::/482400:9380:9280::/482400:9380:9281::/482400:9380:9282::/482400:9380:92b1::/482400:9380:92b2::/482400:9380:92b3::/482400:9380:92b4::/482400:9380:92b5::/482400:9380:92b6::/482400:9380:92b7::/48240e:eb:e800::/37240e:eb:f000::/37240e:f6:8002::/48240e:f6:8003::/48240e:ff:c020::/48240e:ff:c022::/48240e:ff:c024::/48240e:ff:c027::/48240e:ff:c032::/48240e:ff:c034::/48240e:182:5401::/48240e:182:5501::/48240e:409:9000::/48240e:409:9001::/48240e:410:ff00::/48240e:411:ff00::/48240e:414:e710::/45240e:414:e718::/45240e:43d:fff1::/48240e:43d:fff3::/48240e:43d:fff4::/48240e:43d:fff7::/48240e:440:ac00::/48240e:440:ac01::/48240e:440:ac02::/48240e:441:ac00::/48240e:441:ac01::/48240e:441:ac02::/48240e:445:3f00::/48240e:446:3f00::/48240e:451:bfc0::/48240e:451:bfe0::/48240e:451:ffa0::/48240e:451:ffc0::/48240e:451:ffe0::/48240e:456:fe00::/48240e:457:fe00::/48240e:469:f400::/48240e:476:febf::/48240e:476:feff::/48240e:604:314::/48240e:604:319::/48240e:60e:8000::/48240e:60e:8001::/48240e:60e:e000::/35240e:615:7000::/40240e:61d:e600::/40240e:628:10::/45240e:62c:1f0::/44240e:62f::/48240e:638:f::/48240e:638:c301::/48240e:638:c303::/48240e:63c:3f00::/44240e:640:178::/48240e:640:179::/48240e:640:17a::/48240e:640:17b::/48240e:640:7201::/48240e:645:1000::/36240e:645:2000::/48240e:645:2010::/48240e:648:1e::/48240e:648:c00f::/48240e:648:c40f::/48240e:648:c80f::/48240e:648:cc0f::/48240e:648:d00f::/48240e:648:d40f::/48240e:648:d80f::/48240e:648:dc0f::/48240e:649:c00f::/48240e:649:c40f::/48240e:649:c80f::/48240e:649:cc0f::/48240e:649:d00f::/48240e:649:d40f::/48240e:649:d80f::/48240e:649:dc0f::/48240e:64e:d00::/44240e:64e:de0::/48240e:64e:de4::/48240e:64e:dec::/48240e:64e:ded::/48240e:650:8000::/38
Show 73 more
240e:659:f100::/48240e:65f:100::/48240e:65f:800::/48240e:65f:e000::/36240e:669:b000::/40240e:670:cf00::/48240e:670:d000::/36240e:679:800::/48240e:679:1001::/48240e:67c:2a80::/48240e:688:ed00::/48240e:699:7a00::/48240e:699:7a01::/48240e:699:7b00::/48240e:699:7b03::/48240e:699:7b06::/48240e:699:7b07::/48240e:699:7b08::/48240e:699:7b0a::/48240e:699:7b0c::/48240e:699:7b0d::/48240e:699:7b0f::/48240e:699:7b11::/48240e:699:7b12::/48240e:699:bc00::/38240e:6a0:d00::/48240e:6a0:d03::/48240e:6a0:d04::/48240e:6a0:d07::/48240e:6a0:d0a::/48240e:713:f020::/48240e:713:f021::/48240e:733:4c0::/48240e:733:4c1::/48240e:737:2ee0::/48240e:767:f000::/48240e:787:7000::/48240e:787:7001::/48240e:790:fe10::/48240e:790:fe20::/48240e:790:fe30::/48240e:790:fe70::/48240e:790:ff00::/40240e:7b6::/31240e:965:822::/482605:9d80:9003::/482605:9d80:9013::/482605:9d80:9023::/482605:9d80:9033::/482605:9d80:9042::/482605:9d80:9071::/482605:9d80:9092::/482804:1e48:9002::/482a04:f580:9010::/482a04:f580:9012::/482a04:f580:9013::/482a04:f580:9020::/482a04:f580:9040::/482a04:f580:9050::/482a04:f580:9060::/482a04:f580:9070::/482a04:f580:9210::/482a04:f580:9212::/482a04:f580:9213::/482a04:f580:9220::/482a04:f580:9230::/482a04:f580:9240::/482a04:f580:9250::/482a04:f580:9260::/482a04:f580:9270::/482a04:f580:9280::/482a04:f580:9290::/482c0f:f7a8:9041::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS4809 is reached through

The AS just before AS4809 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.

AS23764 CTGNet 27AS1299 TWELVE99 24AS3356 LEVEL3 24AS6939 HURRICANE 21AS812 ROGERS-COMMUNICATIONS 9
ASPA

Provider authorization

AS4809 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.

The 1 ASes that name AS4809 as a provider
AS36678 CTUSA
IRR

Routing registry objects

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

Sourceas-nameMaintained by
APNICCHINATELECOM-CORE-WAN-CN2APNIC-HM
RADBharry-ASNMAINT-AS65528

Route objects with origin AS4809: APNIC 2,469 · RADB 976 · RIPE 50 · REACH 2 · AFRINIC 1 · NTTCOM 1

as-sets that list AS4809 (102)first 40 shown
AS-37662AS-ADC-NETAS-ADCCUSTAS-ADCISPAS-ANC-CUSTOMER-PROXY-REGISTERAS-ANY2-RSAS-BBIX-TAS-CN2AS-CTBAS-CTBC-CUSTOMERS29AS-CTBC-TOOLS-7AS-CTGNETAS-CTGNET-CUTAS-CTTJAS-DACOMAS-DCLG1-APAS-EMIXAS-HGC-INTLAS-HURRICANEAS-HURRICANEV6AS-HUTCHCITYAS-IS-INTAS-ISPAS-ISZAAS-IXBR-ATM4-CASAS-IXBR-ATM4-PRAS-IXBR-ATM4-RJAS-IXBR-ATM4-RSAS-IXBR-ATM4-SPAS-IXBR-ATM6-CASAS-IXBR-ATM6-PRAS-IXBR-ATM6-RJAS-IXBR-ATM6-RSAS-IXBR-ATM6-SPAS-IXBR-CASAS-IXBR-IPV6-CASAS-IXBR-IPV6-PRAS-IXBR-IPV6-RJAS-IXBR-IPV6-RSAS-IXBR-IPV6-SP
Tools

Check AS4809 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup