ResearchRouting table, RPKI, IRR & looking glass

AS11042 NETWORK TRANSIT HOLDINGS LLC

AS11042 (NTHL) is registered to NETWORK TRANSIT HOLDINGS LLC in US. It originates 102 prefixes in the global routing table.

96
IPv4 prefixes
6
IPv6 prefixes
66,560
IPv4 addresses
1%
RPKI valid

Who holds AS11042

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

AS number
AS11042
Handle
NTHL
Organization
NETWORK TRANSIT HOLDINGS LLC
Country
US
ASPA
None published

What AS11042 announces

Prefixes originated by AS11042 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
96
IPv6 prefixes
6
IPv4 addresses
66,560 (260 /24s)
RPKI valid
2 1%
RPKI invalid
0
RPKI not found
100
ROAs naming AS11042
2
With an IRR route object
100 98%

Announced prefixes

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

IPv4 (96)
IPv6 (6)

RPKI valid   RPKI invalid   no ROA covers it

Who AS11042 is reached through

The AS just before AS11042 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.

Sourceas-nameMaintained by
RADBNTHLMAINT-AS11042

Route objects with origin AS11042: RADB 114 · AFRINIC 1 · LEVEL3 1 · RIPE 1

as-sets that list AS11042 (11)