ResearchRouting table, RPKI, IRR & looking glass

AS4725 SoftBank Corp.

AS4725 (ODN) is registered to SoftBank Corp. in JP. It originates 137 prefixes in the global routing table.

136
IPv4 prefixes
1
IPv6 prefixes
1,929,472
IPv4 addresses
0%
RPKI valid

Who holds AS4725

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

AS number
AS4725
Handle
ODN
Organization
SoftBank Corp.
Country
JP
ASPA
None published

What AS4725 announces

Prefixes originated by AS4725 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
136
IPv6 prefixes
1
IPv4 addresses
1,929,472 (7,537 /24s)
RPKI valid
1 0%
RPKI invalid
0
RPKI not found
136
ROAs naming AS4725
1
With an IRR route object
93 67%

Announced prefixes

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

IPv4 (136)
1.5.0.0/1639.2.128.0/1739.3.0.0/1661.116.0.0/1661.123.0.0/1661.196.0.0/1661.201.0.0/1761.201.136.0/2161.201.144.0/2161.201.160.0/1961.201.192.0/1861.209.0.0/16143.90.0.0/16150.3.96.0/24157.2.8.0/24157.2.9.0/24157.2.10.0/24157.2.11.0/24157.2.126.0/24157.78.0.0/17157.78.128.0/18157.78.192.0/19157.78.224.0/20157.78.240.0/21157.78.248.0/21165.76.0.0/17182.158.64.0/19182.158.128.0/19182.158.224.0/20182.159.16.0/20182.159.32.0/19182.159.64.0/18182.159.144.0/20182.159.160.0/19182.159.192.0/20198.36.75.0/24202.19.20.0/24202.19.21.0/24202.26.200.0/21202.33.0.0/16202.33.19.0/24202.33.134.0/24202.33.167.0/24202.33.227.0/24202.48.208.0/24202.48.210.0/24202.48.211.0/24202.48.212.0/24202.48.214.0/24202.48.216.0/24202.48.217.0/24202.126.224.0/20202.174.192.0/19202.179.207.0/24202.211.128.0/22202.211.156.0/22202.211.192.0/22202.211.200.0/21202.211.212.0/22202.211.216.0/21202.211.240.0/21202.217.128.0/17202.218.14.0/24202.227.32.0/20202.227.48.0/22202.227.56.0/22202.230.19.0/24202.230.59.0/24202.234.128.0/24202.234.131.0/24202.234.136.0/24202.234.145.0/24202.234.146.0/24202.234.152.0/24202.234.154.0/24202.240.192.0/19202.242.240.0/23202.255.48.0/22203.139.0.0/18203.139.40.0/24203.139.64.0/19203.183.153.0/24203.183.154.0/23210.129.185.0/24210.134.64.0/19210.134.76.0/24210.140.32.0/23210.142.160.0/21210.142.168.0/22210.142.172.0/22210.142.176.0/20210.146.0.0/18210.151.0.0/18210.156.96.0/20210.158.207.0/24210.169.128.0/17210.169.212.0/24210.169.231.0/24210.171.123.0/24210.174.148.0/22210.174.160.0/20210.174.176.0/22210.174.184.0/21210.174.196.0/22210.174.200.0/21210.174.208.0/22210.175.0.0/17210.188.0.0/17210.189.249.0/24210.197.0.0/16210.228.128.0/17210.231.0.0/17210.231.106.0/24210.235.6.0/23210.236.234.0/23210.237.128.0/17210.239.72.0/24210.239.73.0/24210.252.103.0/24210.252.128.0/17
Show 16 more
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS4725 is reached through

The AS just before AS4725 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.