ResearchRouting table, RPKI, IRR & looking glass

AS58540 Jinan,250000

AS58540 (CHINATELECOM-SHANDONG-JINAN-IDC) is registered to Jinan,250000 in CN. It originates 66 prefixes in the global routing table.

47
IPv4 prefixes
19
IPv6 prefixes
86,016
IPv4 addresses
90%
RPKI valid
Registration

Who holds AS58540

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

AS number
AS58540
Handle
CHINATELECOM-SHANDONG-JINAN-IDC
Organization
Jinan,250000
Country
CN
ASPA
None published
Routing

What AS58540 announces

Prefixes originated by AS58540 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
47
IPv6 prefixes
19
IPv4 addresses
86,016 (336 /24s)
RPKI valid
60 90%
RPKI invalid
0
RPKI not found
6
ROAs naming AS58540
62
With an IRR route object
66 100%
Prefixes

Announced prefixes

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

IPv4 (47)
58.56.9.0/2458.56.66.0/2458.56.108.0/2458.56.110.0/2458.56.111.0/2458.57.102.0/2458.57.117.0/2458.57.119.0/2458.57.120.0/2458.58.110.0/2458.59.1.0/2458.59.8.0/2458.59.18.0/24103.37.12.0/22103.239.152.0/24103.239.153.0/24103.239.154.0/24103.239.155.0/24117.73.252.0/22140.249.64.0/19140.249.96.0/19140.249.108.0/24140.249.111.0/24150.138.192.0/19150.138.224.0/19150.139.224.0/19150.139.250.0/24180.76.198.0/23182.40.16.0/20182.40.48.0/20182.40.64.0/20182.40.88.0/21182.40.112.0/20182.40.128.0/20182.40.144.0/20182.40.168.0/21182.40.176.0/21182.40.224.0/20182.61.128.0/23182.61.192.0/23182.61.194.0/23222.173.50.0/24222.173.51.0/24222.173.52.0/24222.175.101.0/24222.175.102.0/24222.175.136.0/23
IPv6 (19)
240e:945:4000::/40240e:945:4100::/40240e:945:4200::/40240e:945:4300::/40240e:946::/33240e:946:1::/48240e:946:2::/48240e:946:5::/48240e:946:3000::/48240e:946:3002::/48240e:946:3003::/48240e:946:3004::/48240e:946:3006::/48240e:946:300a::/48240e:946:300b::/48240e:946:300e::/48240e:946:300f::/48240e:946:3010::/48240e:946:8000::/33

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS58540 is reached through

The AS just before AS58540 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 56
IRR

Routing registry objects

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

Sourceas-nameMaintained by
APNICCHINATELECOM-SHANDONG-JINAN-IDCAPNIC-HM

Route objects with origin AS58540: RADB 72 · NTTCOM 4

as-sets that list AS58540 (4)
AS-CTGNETAS-CTGNET-CUTAS-CTSDAS-RESEARCH-CN-CHINANET-SHANDONG
Tools

Check AS58540 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup