subnet.im

AS271BCNET

CanadaRegistryARIN

As of 24th October 2026, AS271 (BCNET), a network registered in Canada with ARIN, originates 91 IPv4 prefixes covering 451k addresses and 36 IPv6 prefixes. By IPv4 address space that makes it the 756th-largest of the 79,642 networks we see originating IPv4, and the 20th-largest of 1,588 in Canada. It is seen behind 6 upstream networks, most often AS1299 (Arelion (fka. Telia Carrier)) and AS6327 (Shaw Communications), and in front of 16 downstream networks. 83% of its announcements have a valid RPKI ROA; 7 are RPKI-invalid. 88% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

91

IPv6 prefixes

36

IPv4 addresses

451k

IPv6 /64s

117M

Upstream graph

The networks AS271 is seen behind, one and two hops out, drawn from real AS paths.

AS271Toward the internet core
Upstream graph for AS271: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS271BCNETThis networkAS1299Arelion (fka. Tel…AS6327Shaw Communicatio…AS6509CANARIE IncAS6939Hurricane Electri…AS22652Videotron LteeAS13030Init7 (Switzerlan…AS16552Tiggee LLCAS3356Lumen (Level 3)AS2153CENICAS20130Depaul UniversityAS132337AxclusiveAS3257GTT Communication…

Networks observed one and two hops upstream of AS271 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

45

adjacent networks

Upstreams
613%
Peers
2351%
Downstreams
1636%

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

Upstreams of AS271
NetworkCountryRelationshipPathsVantage pts
AS1299Arelion (fka. Telia Carrier)SEPeer10,010106
AS6327Shaw CommunicationsCAPeer3,50048
AS6939Hurricane Electric LLCUSPeer3,11474
AS6509CANARIE IncCAPeer92964
AS22652Videotron LteeCAPeer2051
AS852TELUS Communications Inc.CAPeer282

Prefixes

All 127

The largest blocks AS271 originates, widest first.

Largest prefixes originated by AS271
PrefixAddressesVisibility
128.189.0.0/1665.5k76/76
134.87.0.0/1665.5k76/76
142.231.0.0/1665.5k76/76
206.12.0.0/1665.5k76/76
206.87.0.0/1665.5k76/76
207.23.0.0/1665.5k76/76
206.123.160.0/198.2k76/76
209.87.32.0/198.2k76/76
104.128.240.0/204.1k76/76
198.162.96.0/204.1k76/76

Routing health

How AS271'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

  • Valid83.5%106
  • Invalid5.5%7
  • No ROA11.0%14

Propagation

  • Globally propagated90% of full-feed peers or more88.2%112
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%11.8%15

Prefix sizes

IPv4 — 91 prefixes

IPv6 — 36 prefixes

  • /4016.8M × /6416.7%6
  • /424.2M × /648.3%3
  • /441M × /645.6%2
  • /4865.5k × /6469.4%25

Recent changes

Announcements that started or stopped since 24th Sept 2026.

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