subnet.im

AS397118Glenwood Telephone Company

United StatesRegistryARIN

As of 25th October 2026, AS397118 (Glenwood Telephone Company), a network registered in the United States with ARIN, originates 8 IPv4 prefixes covering 2.6k addresses. By IPv4 address space that makes it the 23,000th-largest of the 79,676 networks we see originating IPv4, and the 5,807th-largest of 18,493 in the United States. It is seen behind 1 upstream network, most often AS26744 (Planters Communications, LLC). 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

8

IPv6 prefixes

0

IPv4 addresses

2.6k

IPv6 /64s

0

Upstream graph

The networks AS397118 is seen behind, one and two hops out, drawn from real AS paths.

AS397118Toward the internet core
Upstream graph for AS397118: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS397118Glenwood Telephon…This networkAS26744Planters Communic…AS174Cogent Communicat…AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS397118 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS397118
NetworkCountryRelationshipPathsVantage pts
AS26744Planters Communications, LLCUSPeer60876

Prefixes

The largest blocks AS397118 originates, widest first.

Largest prefixes originated by AS397118
PrefixAddressesVisibility
137.118.88.0/2351276/76
149.71.244.0/2351276/76
38.97.241.0/2425676/76
38.246.167.0/2425676/76
67.58.76.0/2425676/76
137.118.87.0/2425676/76
137.118.88.0/2425676/76
149.71.245.0/2425676/76

Routing health

How AS397118'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%8

Propagation

  • Globally propagated90% of full-feed peers or more100.0%8
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 8 prefixes

Recent changes

Announcements that started or stopped since 25th Sept 2026.

  • Withdrawn137.118.89.0/2415th Oct 2026
  • Withdrawn149.71.244.0/2415th Oct 2026
  • Announced137.118.88.0/2414th Oct 2026
  • Announced149.71.245.0/2414th Oct 2026
  • Withdrawn137.118.88.0/2412th Oct 2026
  • Withdrawn149.71.245.0/2412th Oct 2026

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