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AS2635 Automattic, Inc

AUTOMATTIC - Automattic, Inc · registered in the United States

IPv4 addresses38,14458 prefixes · 0.001% of announced IPv4
Rank in United States#1,610largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#4,409of 79,396 networks with IPv4
IPv648 x /4820 prefixes
CountryUnited States18,679 ASNs registered there
Open AS2635 in ASN lookup Look up an IP in this network (5.100.156.1) All networks in United States

IPv4 prefixes

All 58 prefixes, in address order.

  • 5.100.156.0/24
  • 45.121.180.0/22
  • 66.6.32.0/24
  • 66.6.34.0/23
  • 66.6.37.0/24
  • 66.6.38.0/23
  • 66.6.40.0/21
  • 74.114.152.0/23
  • 74.114.154.0/24
  • 74.114.155.0/31
  • 74.114.155.2/32
  • 74.114.155.3/32
  • 74.114.155.4/30
  • 74.114.155.8/29
  • 74.114.155.16/28
  • 74.114.155.32/27
  • 74.114.155.64/26
  • 74.114.155.128/25
  • 87.250.160.0/24
  • 87.250.162.0/23
  • 87.250.164.0/22
  • 87.250.168.0/21
  • 87.250.176.0/20
  • 103.62.32.0/22
  • 103.115.8.0/22
  • 185.64.140.0/22
  • 185.138.28.0/22
  • 192.0.64.0/23
  • 192.0.66.0/24
  • 192.0.67.0/31
  • 192.0.67.2/32
  • 192.0.67.3/32
  • 192.0.67.4/30
  • 192.0.67.8/29
  • 192.0.67.16/28
  • 192.0.67.32/27
  • 192.0.67.64/26
  • 192.0.67.128/25
  • 192.0.68.0/31
  • 192.0.68.2/32
  • 192.0.68.3/32
  • 192.0.68.4/30
  • 192.0.68.8/29
  • 192.0.68.16/28
  • 192.0.68.32/27
  • 192.0.68.64/26
  • 192.0.68.128/25
  • 192.0.69.0/24
  • 192.0.70.0/23
  • 192.0.72.0/21
  • 192.0.80.0/20
  • 192.0.96.0/19
  • 195.234.108.0/23
  • 195.234.110.0/23
  • 196.41.85.0/24
  • 198.181.116.0/22
  • 199.16.172.0/22
  • 200.9.112.0/23

IPv6 prefixes

All 20 prefixes.

  • 2001:43f8:bf0::/48
  • 2403:6b80::/46
  • 2403:6b80:4::/48
  • 2403:6b80:6::/47
  • 2403:6b80:8::/46
  • 2403:6b80:ffff::/48
  • 2602:fdd7::/47
  • 2620:109:b00a::/48
  • 2620:115:c000::/48
  • 2620:115:c002::/47
  • 2620:115:c004::/47
  • 2620:115:c007::/48
  • 2620:115:c008::/45
  • 2620:115:c010::/46
  • 2801:80:1610::/48
  • 2a04:fa80:2::/47
  • 2a04:fa80:4::/46
  • 2a04:fa80:8::/46
  • 2a04:fa87:fffd::/48
  • 2a04:fa87:fffe::/47

Similar-sized networks in United States

ASNNameIPv4 addresses
AS16700#1607 CNSNEXT - CNSNext38,400
AS18615#1608 MAINSTREAM-FIBER - Mainstream Fiber Networks, LLC38,400
AS402169#1609 USCLOUD INC - Uscloud Inc38,400
AS27425#1611 ASN-IDK-27425 - IdeaTek Telcom, LLC37,888
AS17049#1612 MBO-NET - MBO Video, LLC37,888
AS396253#1613 IBOSS-8-ASN - iboss,inc37,888

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