subnet.im

AS29838Atlantic Metro Communications II, Inc.

United StatesRegistryARINTypeCarrier

As of 10th November 2026, AS29838 (Atlantic Metro Communications II, Inc.), a transit carrier registered in the United States with ARIN, originates 116 IPv4 prefixes covering 206k addresses and 18 IPv6 prefixes. By IPv4 address space that makes it the 1,321st-largest of the 80,733 networks we see originating IPv4, and the 372nd-largest of 18,751 in the United States. It is seen behind 53 upstream networks, most often AS1299 (Arelion (fka. Telia Carrier)) and AS2914 (NTT America, Inc.), and in front of 251 downstream networks. 5% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

116

IPv6 prefixes

18

IPv4 addresses

206k

IPv6 /64s

9.3B

Upstream graph

The networks AS29838 is seen behind, one and two hops out, drawn from real AS paths.

AS29838Toward the internet core
Upstream graph for AS29838: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS29838Atlantic Metro Co…This networkAS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS6939Hurricane Electri…AS25091IP-Max SAAS40633LOS ANGELES INTER…AS13030Init7 (Switzerlan…AS16552Tiggee LLCAS49544i3D.net B.VAS215859Hetzner Cloud - S…AS8298IPng Networks GmbHAS56662Marcin GondekAS4775Globe Telecoms

Networks observed one and two hops upstream of AS29838 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

620

adjacent networks

Upstreams
539%
Peers
31651%
Downstreams
25140%

Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 53.

Upstreams of AS29838
NetworkCountryRelationshipPathsVantage pts
AS1299Arelion (fka. Telia Carrier)SEPeer4,02998
AS2914NTT America, Inc.USPeer3,62083
AS40633LOS ANGELES INTERNET EXCHANGEUSPeer2,4401
AS25091IP-Max SACHPeer1,2243
AS6939Hurricane Electric LLCUSPeer59215
AS9002RETN LimitedGBPeer5438
AS13030Init7 (Switzerland) Ltd.CHPeer5415
AS6667Elisa OyjFIPeer5404
AS14537Continent 8 LLCUSPeer4664
AS18106Viewqwest Pte LtdSGPeer4502

Prefixes

All 134

The largest blocks AS29838 originates, widest first.

Largest prefixes originated by AS29838
PrefixAddressesVisibility
205.251.0.0/1732.8k76/76
67.208.64.0/198.2k76/76
69.169.64.0/198.2k76/76
70.33.160.0/198.2k76/76
108.60.128.0/198.2k76/76
204.145.64.0/198.2k76/76
205.251.32.0/198.2k76/76
66.178.176.0/204.1k76/76
66.231.176.0/204.1k76/76
69.9.32.0/204.1k76/76

Routing health

How AS29838'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

  • Valid5.2%7
  • Invalid0.0%0
  • No ROA94.8%127

Propagation

  • Globally propagated90% of full-feed peers or more100.0%134
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 116 prefixes

IPv6 — 18 prefixes

  • /324.3B × /6411.1%2
  • /36268M × /6411.1%2
  • /4016.8M × /6466.7%12
  • /4865.5k × /6411.1%2

Recent changes

Announcements that started or stopped since 11th Oct 2026.

  • Withdrawn2607:f108:600::/401st Nov 2026
  • Withdrawn66.231.184.0/221st Nov 2026
  • Withdrawn67.208.72.0/231st Nov 2026

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