ResearchRouting table, RPKI, IRR & looking glass

AS140638 China Telecom

AS140638 (CHINANET-IOT-SICHUAN) is registered to China Telecom in CN. It originates 107 prefixes in the global routing table.

45
IPv4 prefixes
62
IPv6 prefixes
14,848
IPv4 addresses
100%
RPKI valid
Registration

Who holds AS140638

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

AS number
AS140638
Handle
CHINANET-IOT-SICHUAN
Organization
China Telecom
Country
CN
ASPA
None published
Routing

What AS140638 announces

Prefixes originated by AS140638 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
45
IPv6 prefixes
62
IPv4 addresses
14,848 (58 /24s)
RPKI valid
107 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS140638
110
With an IRR route object
93 86%
Prefixes

Announced prefixes

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

IPv4 (45)
36.113.178.0/2436.113.179.0/2436.113.180.0/2436.113.181.0/2436.113.182.0/2436.113.183.0/2436.113.210.0/2436.113.211.0/2436.113.212.0/2436.113.215.0/2436.113.216.0/2436.113.217.0/2436.113.218.0/2436.113.219.0/24117.61.0.0/20117.61.0.0/24117.61.6.0/24117.61.7.0/24117.61.13.0/24117.61.14.0/24117.61.15.0/24117.61.56.0/21117.61.56.0/22117.61.60.0/24117.61.61.0/24117.61.62.0/23117.61.64.0/23117.61.66.0/24117.61.67.0/24117.61.72.0/24117.61.73.0/24117.61.74.0/24117.61.75.0/24117.61.76.0/24117.61.77.0/24117.61.78.0/24117.61.79.0/24117.61.134.0/24117.61.143.0/24117.61.146.0/24117.61.147.0/24117.61.148.0/24117.61.149.0/24117.61.150.0/24117.61.151.0/24
IPv6 (62)
240e:874::/42240e:874:40::/42240e:874:80::/42240e:874:c0::/42240e:874:100::/42240e:874:140::/42240e:874:180::/42240e:874:1c0::/43240e:874:200::/42240e:874:240::/43240e:874:260::/43240e:874:280::/42240e:874:300::/42240e:874:340::/43240e:874:360::/43240e:874:380::/42240e:874:500::/42240e:874:540::/43240e:874:600::/42240e:874:640::/43240e:874:700::/43240e:874:720::/43240e:874:740::/43240e:874:780::/43240e:874:7a0::/43240e:874:800::/42240e:874:840::/43240e:874:880::/42240e:874:8c0::/43240e:874:900::/41240e:874:980::/41240e:874:a00::/42240e:874:a40::/42240e:874:a80::/42240e:874:ac0::/42240e:874:b00::/41240e:874:b80::/41240e:874:c00::/43240e:874:c20::/43240e:874:c40::/44240e:874:c50::/44240e:874:c60::/43240e:874:c80::/43240e:874:ca0::/44240e:874:cb0::/44240e:874:e00::/42240e:874:e80::/42240e:874:ec0::/44240e:874:ed0::/44240e:874:ee0::/44240e:874:ef0::/44240e:874:f00::/41240e:874:f80::/41240e:874:1000::/41240e:874:1100::/42240e:874:1140::/42240e:874:1180::/42240e:874:11c0::/42240e:875:8000::/44240e:875:8010::/44240e:875:8020::/44240e:875:8030::/44

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS140638 is reached through

The AS just before AS140638 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 60
IRR

Routing registry objects

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

Sourceas-nameMaintained by
APNICCHINANET-IOT-SICHUANAPNIC-HM

Route objects with origin AS140638: RADB 100

as-sets that list AS140638 (2)
AS-CNAS-RESEARCH-CN-CHINANET-SICHUAN
Tools

Check AS140638 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup