ResearchRouting table, RPKI, IRR & looking glass

AS58541 Qingdao,266000

AS58541 (CHINATELECOM-SHANDONG-QINGDAO-IDC) is registered to Qingdao,266000 in CN. It originates 57 prefixes in the global routing table.

54
IPv4 prefixes
3
IPv6 prefixes
84,480
IPv4 addresses
85%
RPKI valid
Registration

Who holds AS58541

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

AS number
AS58541
Handle
CHINATELECOM-SHANDONG-QINGDAO-IDC
Organization
Qingdao,266000
Country
CN
ASPA
None published
Routing

What AS58541 announces

Prefixes originated by AS58541 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
54
IPv6 prefixes
3
IPv4 addresses
84,480 (330 /24s)
RPKI valid
49 85%
RPKI invalid
0
RPKI not found
8
ROAs naming AS58541
62
With an IRR route object
45 78%
Prefixes

Announced prefixes

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

IPv4 (54)
58.56.161.0/2458.56.163.0/2458.58.33.0/2458.58.34.0/24103.37.100.0/22103.64.24.0/22103.64.28.0/22103.64.140.0/22103.64.144.0/22103.64.152.0/22103.64.208.0/22103.81.48.0/22103.88.36.0/22103.105.60.0/22103.203.96.0/22103.222.216.0/22103.239.224.0/22115.31.64.0/23115.31.66.0/23140.249.0.0/20140.249.16.0/21140.249.18.0/24140.249.19.0/24140.249.20.0/24140.249.21.0/24140.249.22.0/24140.249.23.0/24140.249.24.0/22140.249.30.0/23140.249.32.0/19140.249.48.0/22140.249.52.0/22140.249.160.0/20140.249.176.0/20140.249.192.0/21140.249.200.0/21140.249.208.0/22140.249.212.0/22140.249.216.0/22140.249.220.0/22150.138.96.0/19150.138.112.0/23150.138.114.0/23150.138.116.0/22150.138.128.0/19150.138.160.0/19150.139.192.0/20150.139.208.0/20211.155.116.0/22211.155.120.0/21219.146.68.0/24219.146.94.0/24219.146.244.0/24219.146.248.0/24
IPv6 (3)
240e:e:b000::/37240e:944::/36240e:944:3000::/36

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS58541 is reached through

The AS just before AS58541 in the paths our looking glass collectors hold, for 57 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 41
IRR

Routing registry objects

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

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

Route objects with origin AS58541: RADB 51

as-sets that list AS58541 (4)
AS-CTGNETAS-CTGNET-CUTAS-CTSDAS-RESEARCH-CN-CHINANET-SHANDONG
Tools

Check AS58541 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup