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AS399678Carrier Corporation

United StatesRegistryARIN

As of 13th November 2026, AS399678 (Carrier Corporation), a network registered in the United States with ARIN, originates 6 IPv4 prefixes covering 3.1k addresses. By IPv4 address space that makes it the 20,494th-largest of the 80,813 networks we see originating IPv4, and the 5,582nd-largest of 18,770 in the United States. It is seen behind 4 upstream networks, most often AS7018 (AT&T Enterprises, LLC) and AS3257 (GTT Communications Inc.). None of its announcements have a valid RPKI ROA. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

6

IPv6 prefixes

0

IPv4 addresses

3.1k

IPv6 /64s

0

Upstream graph

The networks AS399678 is seen behind, one and two hops out, drawn from real AS paths.

AS399678Toward the internet core
Upstream graph for AS399678: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS399678Carrier Corporati…This networkAS3257GTT Communication…AS5580GTT Communication…AS7018AT&T Enterprises,…AS13335Cloudflare, Inc.AS6667Elisa OyjAS398465Rackdog LLCAS3491PCCW Global (HK) …AS2914NTT America, Inc.AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS399678 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

9

adjacent networks

Upstreams
444%
Peers
556%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS399678
NetworkCountryRelationshipPathsVantage pts
AS7018AT&T Enterprises, LLCUSPeer16678
AS3257GTT Communications Inc.USPeer14678
AS5580GTT Communications (APAC)NLPeer7878
AS13335Cloudflare, Inc.USPeer7878

Prefixes

The largest blocks AS399678 originates, widest first.

Largest prefixes originated by AS399678
PrefixAddressesVisibility
161.145.172.0/221k78/78
161.145.48.0/2351278/78
161.145.96.0/2351278/78
161.145.246.0/2351278/78
161.145.133.0/2425678/78
161.145.150.0/2425678/78

Routing health

How AS399678's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%6

Propagation

  • Globally propagated90% of full-feed peers or more100.0%6
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 6 prefixes

Recent changes

Announcements that started or stopped since 14th Oct 2026.

No announcement by AS399678 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.