$ query “AS577” --type=asn → 1 result(s)

AS577 · BACOM

Bell Canada

AS577 is run by Bell Canada and is a major transit provider, established in Canada in 1999. The system announces an impressive 6.9 million IPv4 addresses, including a /13, and supports IPv6. The bulk of its IP address space is in Canada, with additional presence in the United States and Australia, and a smaller footprint in another country. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #3 in Canada — Top 10 by reach within country
  • Pioneer — Registered before the year 2000

Basic Information

Country
🇨🇦 Canada
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
March 03, 1999
Last Changed
March 04, 2026
Last Seen
May 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
16 237 / 318
IPv6 Prefixes (raw / aggregated)
66 / 41
IPv4 Addresses
6 947 072
Largest IPv4 Prefix
/13 (524 288 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇨🇦 Canada (11 828 864 IPs), 🇺🇸 United States (137 024 IPs), 🇦🇺 Australia (53 760 IPs) and 1 more
Prefix Changed
May 19, 2026

Reputation

Reputation
Good — 75 flagged IPs out of 6 947 072 total (0.00%)

Connectivity Summary

Upstream Providers
6 upstreams providing transit
Peers
57 networks exchanging traffic without transit
Downstream Customers
256 downstreams buying transit
Unclassified
7 unclassified BGP neighbors
Degree
326 unique BGP neighbors
Reach
33 293 networks in customer cone

Upstream Providers (6)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS701 — UUNET (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)
  • AS15296 — CYBERA

Prefix Lists

IPv4 Prefixes (16 237 total)

  • 174.88.0.0/13 (524 288 addresses (/13 prefix))
  • 76.64.0.0/13 (524 288 addresses (/13 prefix))
  • 70.48.0.0/13 (524 288 addresses (/13 prefix))
  • 70.24.0.0/13 (524 288 addresses (/13 prefix))
  • 65.92.0.0/14 (262 144 addresses (/14 prefix))
  • 142.112.0.0/14 (262 144 addresses (/14 prefix))
  • 142.180.0.0/14 (262 144 addresses (/14 prefix))
  • 142.184.0.0/14 (262 144 addresses (/14 prefix))
  • 184.144.0.0/14 (262 144 addresses (/14 prefix))
  • 74.12.0.0/14 (262 144 addresses (/14 prefix))
  • 69.156.0.0/14 (262 144 addresses (/14 prefix))
  • 67.68.0.0/14 (262 144 addresses (/14 prefix))
  • 142.188.0.0/15 (131 072 addresses (/15 prefix))
  • 50.100.0.0/15 (131 072 addresses (/15 prefix))
  • 216.208.0.0/15 (131 072 addresses (/15 prefix))
  • 142.116.0.0/15 (131 072 addresses (/15 prefix))
  • 142.126.0.0/15 (131 072 addresses (/15 prefix))
  • 184.148.0.0/15 (131 072 addresses (/15 prefix))
  • 64.228.0.0/15 (131 072 addresses (/15 prefix))
  • 209.226.0.0/16 (65 536 addresses (/16 prefix))
  • 142.170.0.0/16 (65 536 addresses (/16 prefix))
  • 207.35.0.0/16 (65 536 addresses (/16 prefix))
  • 206.172.0.0/16 (65 536 addresses (/16 prefix))
  • 142.118.0.0/16 (65 536 addresses (/16 prefix))
  • 199.243.0.0/16 (65 536 addresses (/16 prefix))
  • 204.101.0.0/16 (65 536 addresses (/16 prefix))
  • 142.120.0.0/16 (65 536 addresses (/16 prefix))
  • 64.231.0.0/16 (65 536 addresses (/16 prefix))
  • 207.164.0.0/16 (65 536 addresses (/16 prefix))
  • 184.151.0.0/16 (65 536 addresses (/16 prefix))
  • 139.142.0.0/16 (65 536 addresses (/16 prefix))
  • 207.236.0.0/16 (65 536 addresses (/16 prefix))
  • 161.216.0.0/16 (65 536 addresses (/16 prefix))
  • 206.47.0.0/16 (65 536 addresses (/16 prefix))
  • 142.159.0.0/16 (65 536 addresses (/16 prefix))
  • 207.61.0.0/16 (65 536 addresses (/16 prefix))
  • 142.122.0.0/16 (65 536 addresses (/16 prefix))
  • 142.198.0.0/16 (65 536 addresses (/16 prefix))
  • 142.217.0.0/16 (65 536 addresses (/16 prefix))
  • 216.18.0.0/17 (32 768 addresses (/17 prefix))
  • 66.38.128.0/17 (32 768 addresses (/17 prefix))
  • 142.119.0.0/17 (32 768 addresses (/17 prefix))
  • 209.17.128.0/18 (16 384 addresses (/18 prefix))
  • 184.150.0.0/18 (16 384 addresses (/18 prefix))
  • 209.139.192.0/18 (16 384 addresses (/18 prefix))
  • 64.42.192.0/18 (16 384 addresses (/18 prefix))
  • 184.150.128.0/18 (16 384 addresses (/18 prefix))
  • 66.201.192.0/18 (16 384 addresses (/18 prefix))
  • 192.219.32.0/19 (8 192 addresses (/19 prefix))
  • 159.2.64.0/19 (8 192 addresses (/19 prefix))

IPv6 Prefixes (66 total)

  • 2604:d40::/32
  • 2001:4958::/32
  • 2605:b100:1000::/39
  • 2605:b100:a00::/39
  • 2605:b100:d00::/41
  • 2605:b100:800::/41
  • 2605:b100:e000::/41
  • 2605:b100:c00::/41
  • 2605:b100:900::/41
  • 2605:b100:100::/41
  • 2605:b100:200::/41
  • 2605:b100:700::/41
  • 2605:b100::/41
  • 2605:b100:300::/41
  • 2605:b100:400::/41
  • 2605:b100:600::/41
  • 2605:b100:500::/41
  • 2605:b100:298::/45
  • 2605:b100:f4f0::/47
  • 2605:b100:80::/47
  • 2605:b100:f5f0::/47
  • 2605:b100:68e::/47
  • 2605:b100:c80::/47
  • 2605:b100:280::/47
  • 2605:b100:f3f0::/47
  • 2605:b100:f2f0::/47
  • 2605:b100:4a2::/47
  • 2605:b100:a2::/47
  • 2605:b100:480::/47
  • 2602:812:2004::/48
  • 2605:b100:893::/48
  • 2605:b100:f01::/48
  • 2602:812:2001::/48
  • 2605:b100:1400::/48
  • 2602:812:2002::/48
  • 2605:b100:93::/48
  • 2605:b100:880::/48
  • 2605:b100:493::/48
  • 2605:b100:680::/48
  • 2620:45:2000::/48
  • 2620:d9:6000::/48