ResearchRouting table, RPKI, IRR & looking glass

AS37521 Internet Solutions Nigeria Limited

AS37521 is registered to Internet Solutions Nigeria Limited in NG. It originates 10 prefixes in the global routing table.

9
IPv4 prefixes
1
IPv6 prefixes
2,304
IPv4 addresses
20%
RPKI valid

Who holds AS37521

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

AS number
AS37521
Handle
Internet Solutions Nigeria Limited
Organization
Internet Solutions Nigeria Limited
Country
NG
ASPA
None published

What AS37521 announces

Prefixes originated by AS37521 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
9
IPv6 prefixes
1
IPv4 addresses
2,304 (9 /24s)
RPKI valid
2 20%
RPKI invalid
0
RPKI not found
8
ROAs naming AS37521
2
With an IRR route object
10 100%

Announced prefixes

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

Who AS37521 is reached through

The AS just before AS37521 in the paths our looking glass collectors hold, for 10 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.