HTTPfy

AS2707 First Communications LLC

FIRSTCOMM-AS1 - First Communications LLC · registered in the United States

IPv4 addresses54,27239 prefixes · 0.002% of announced IPv4
Rank in United States#1,457largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#3,801of 79,396 networks with IPv4
IPv628,672 x /483 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 39 prefixes, in address order.

  • 65.127.100.0/23
  • 168.92.3.0/24
  • 168.92.128.0/18
  • 205.254.14.0/24
  • 205.254.16.0/20
  • 208.40.0.0/22
  • 208.40.4.0/23
  • 208.40.6.0/23
  • 208.40.8.0/21
  • 208.40.16.0/24
  • 208.40.17.0/24
  • 208.40.18.0/23
  • 208.40.20.0/22
  • 208.40.24.0/24
  • 208.40.25.0/24
  • 208.40.26.0/23
  • 208.40.28.0/22
  • 208.40.32.0/24
  • 208.40.33.0/24
  • 208.40.34.0/23
  • 208.40.36.0/22
  • 208.40.40.0/21
  • 208.40.48.0/21
  • 208.40.56.0/22
  • 208.40.60.0/23
  • 208.40.62.0/24
  • 208.40.63.0/24
  • 208.40.64.0/21
  • 208.40.72.0/22
  • 208.40.76.0/23
  • 208.40.78.0/24
  • 208.40.79.0/24
  • 208.40.80.0/20
  • 208.40.96.0/20
  • 208.40.112.0/21
  • 208.40.120.0/22
  • 208.40.124.0/23
  • 208.40.126.0/24
  • 208.40.127.0/24

IPv6 prefixes

All 3 prefixes.

  • 2606:7d80:9000::/36
  • 2606:7d80:a000::/35
  • 2606:7d80:c000::/34

Other ASNs named First Communications LLC

1 other network uses the same organisation name; together with AS2707 they announce 181,248 IPv4 addresses.

ASNNameIPv4 addresses
AS16399FIRSTCOMM-AS2 - First Communications LLC US126,976

Similar-sized networks in United States

ASNNameIPv4 addresses
AS14852#1454 DCX - DaimlerChrysler Corporation55,040
AS33387#1455 NOCIX - Nocix, LLC54,784
AS5693#1456 DATABANK-LATISYS - Latisys-Irvine, LLC54,784
AS42#1458 WOODYNET-1 - WoodyNet, Inc.54,016
AS11293#1459 UCOP-ASN - University of California - Office of the President53,772
AS22611#1460 INMOTION - InMotion Hosting, Inc.53,760

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources