ResearchRouting table, RPKI, IRR & looking glass

AS9738 Brennan IT

AS9738 (BRENNANIT-AS9738-AP) is registered to Brennan IT in AU. It originates 114 prefixes in the global routing table.

113
IPv4 prefixes
1
IPv6 prefixes
30,720
IPv4 addresses
97%
RPKI valid

Who holds AS9738

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

AS number
AS9738
Handle
BRENNANIT-AS9738-AP
Organization
Brennan IT
Country
AU
ASPA
None published

What AS9738 announces

Prefixes originated by AS9738 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
113
IPv6 prefixes
1
IPv4 addresses
30,720 (120 /24s)
RPKI valid
111 97%
RPKI invalid
0
RPKI not found
3
ROAs naming AS9738
99
With an IRR route object
26 22%

Announced prefixes

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

IPv4 (113)
61.14.96.0/1961.14.96.0/2461.14.97.0/2461.14.98.0/2461.14.99.0/2461.14.100.0/2461.14.101.0/2461.14.102.0/2461.14.103.0/2461.14.104.0/2461.14.105.0/2461.14.106.0/2461.14.107.0/2461.14.108.0/2461.14.109.0/2461.14.110.0/2461.14.111.0/2461.14.112.0/2461.14.113.0/2461.14.114.0/2461.14.115.0/2461.14.116.0/2461.14.117.0/2461.14.118.0/2461.14.119.0/2461.14.121.0/2461.14.122.0/2461.14.123.0/2461.14.127.0/24103.28.196.0/22103.28.196.0/23103.28.198.0/23192.231.141.0/24202.148.224.0/21202.148.224.0/24202.148.225.0/24202.148.226.0/24202.148.227.0/24202.148.228.0/24202.148.229.0/24202.148.231.0/24202.148.232.0/24202.148.233.0/24202.148.234.0/23202.148.234.0/24202.148.235.0/24202.148.236.0/22202.148.236.0/24202.148.237.0/24202.148.238.0/24202.148.239.0/24203.5.194.0/24203.19.157.0/24203.25.120.0/24210.18.192.0/22210.18.192.0/24210.18.193.0/24210.18.194.0/24210.18.195.0/24210.18.196.0/24210.18.197.0/24210.18.198.0/24210.18.199.0/24210.18.200.0/24210.18.201.0/24210.18.202.0/23210.18.202.0/24210.18.203.0/24210.18.204.0/22210.18.204.0/24210.18.205.0/24210.18.207.0/24210.18.208.0/20210.18.208.0/24210.18.209.0/24210.18.211.0/24210.18.212.0/24210.18.213.0/24210.18.214.0/24210.18.215.0/24210.18.216.0/24210.18.217.0/24210.18.218.0/24210.18.219.0/24210.18.220.0/24210.18.221.0/24210.18.222.0/24210.18.223.0/24210.18.224.0/20210.18.224.0/21210.18.227.0/24210.18.232.0/24210.18.233.0/24210.18.234.0/23210.18.234.0/24210.18.235.0/24210.18.236.0/22210.18.236.0/24210.18.237.0/24210.18.238.0/24210.18.239.0/24210.18.240.0/24210.18.241.0/24210.18.242.0/24210.18.243.0/24210.18.244.0/22210.18.248.0/23210.18.248.0/24210.18.250.0/23210.18.252.0/24210.18.253.0/24210.18.254.0/24210.18.255.0/24
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS9738 is reached through

The AS just before AS9738 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.