ResearchRouting table, RPKI, IRR & looking glass

AS23563 SK Broadband Co Ltd

AS23563 (SKB-VITSSEN-SUWON-AS-KR-KR) is registered to SK Broadband Co Ltd in KR. It originates 196 prefixes in the global routing table.

196
IPv4 prefixes
0
IPv6 prefixes
204,800
IPv4 addresses
0%
RPKI valid

Who holds AS23563

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

AS number
AS23563
Handle
SKB-VITSSEN-SUWON-AS-KR-KR
Organization
SK Broadband Co Ltd
Country
KR
ASPA
None published

What AS23563 announces

Prefixes originated by AS23563 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
196
IPv6 prefixes
0
IPv4 addresses
204,800 (800 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
196
ROAs naming AS23563
0
With an IRR route object
196 100%

Announced prefixes

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

IPv4 (196)
27.119.0.0/1727.119.0.0/2327.119.3.0/2427.119.11.0/2427.119.12.0/2427.119.14.0/2327.119.16.0/2427.119.18.0/2427.119.23.0/2427.119.25.0/2427.119.26.0/2427.119.32.0/2427.119.35.0/2427.119.36.0/2227.119.46.0/2327.119.48.0/2327.119.51.0/2427.119.52.0/2427.119.54.0/2327.119.56.0/2427.119.58.0/2427.119.61.0/2427.119.62.0/2427.119.64.0/2327.119.70.0/2427.119.75.0/2427.119.82.0/2327.119.84.0/2327.119.86.0/2427.119.90.0/2427.119.92.0/2427.119.96.0/2227.119.101.0/2427.119.102.0/2327.119.104.0/2127.119.112.0/2227.119.116.0/2327.119.118.0/2427.119.120.0/2427.119.122.0/2327.119.124.0/2427.119.126.0/23114.29.128.0/19114.29.134.0/23114.29.136.0/22114.29.140.0/24114.108.0.0/17114.108.1.0/24114.108.6.0/24114.108.11.0/24114.108.15.0/24114.108.16.0/23114.108.18.0/24114.108.20.0/22114.108.25.0/24114.108.34.0/24114.108.36.0/24114.108.38.0/23114.108.40.0/23114.108.45.0/24114.108.46.0/23114.108.48.0/23114.108.50.0/24114.108.56.0/22114.108.60.0/23114.108.63.0/24114.108.68.0/23114.108.70.0/23114.108.73.0/24114.108.74.0/24114.108.76.0/23114.108.80.0/22114.108.87.0/24114.108.91.0/24114.108.94.0/23114.108.96.0/22114.108.100.0/23114.108.102.0/24114.108.104.0/23114.108.106.0/24114.108.109.0/24114.108.111.0/24114.108.112.0/22114.108.120.0/24114.108.122.0/24119.17.64.0/18119.17.64.0/24119.17.66.0/24119.17.68.0/24119.17.71.0/24119.17.72.0/23119.17.76.0/24119.17.79.0/24119.17.87.0/24119.17.88.0/24119.17.90.0/24119.17.98.0/24119.17.116.0/22119.17.120.0/23119.17.122.0/24121.254.0.0/18121.254.2.0/24121.254.3.0/24121.254.7.0/24121.254.8.0/24121.254.18.0/23121.254.20.0/24121.254.28.0/24121.254.50.0/24121.254.54.0/23121.254.56.0/23121.254.58.0/24218.209.0.0/16218.209.18.0/23218.209.20.0/22218.209.24.0/23218.209.26.0/24218.209.31.0/24218.209.32.0/22218.209.39.0/24
Show 76 more

RPKI valid   RPKI invalid   no ROA covers it

Who AS23563 is reached through

The AS just before AS23563 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.

Routing registry objects

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