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AS27325 zColo

DATABANK-ZCOLO - zColo · registered in the United States

IPv4 addresses35,07216 prefixes · 0.001% of announced IPv4
Rank in United States#1,667largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#4,584of 79,396 networks with IPv4
IPv665,535 x /4816 prefixes
CountryUnited States18,679 ASNs registered there
Open AS27325 in ASN lookup Look up an IP in this network (24.227.211.1) All networks in United States

IPv4 prefixes

All 16 prefixes, in address order.

  • 24.227.211.0/24
  • 64.17.0.0/20
  • 64.20.224.0/19
  • 66.219.32.0/19
  • 96.47.208.0/22
  • 96.47.213.0/24
  • 96.47.214.0/23
  • 96.47.216.0/21
  • 192.188.253.0/24
  • 198.252.182.0/24
  • 208.67.240.0/21
  • 208.123.64.0/21
  • 208.123.72.0/24
  • 208.123.74.0/23
  • 208.123.76.0/22
  • 208.123.80.0/20

IPv6 prefixes

All 16 prefixes.

  • 2610:160::/44
  • 2610:160:10::/48
  • 2610:160:12::/47
  • 2610:160:14::/46
  • 2610:160:18::/45
  • 2610:160:20::/43
  • 2610:160:40::/42
  • 2610:160:80::/41
  • 2610:160:100::/40
  • 2610:160:200::/39
  • 2610:160:400::/38
  • 2610:160:800::/37
  • 2610:160:1000::/36
  • 2610:160:2000::/35
  • 2610:160:4000::/34
  • 2610:160:8000::/33

Other ASNs named zColo

5 other networks use the same organisation name; together with AS27325 they announce 99,328 IPv4 addresses.

ASNNameIPv4 addresses
AS13354ZC38-AS1 - zColo US52,480
AS32952ZC38-AS2 - zColo US4,864
AS14313DATABANK-ZCOLO - zColo US3,584
AS3595DATABANK-ZCOLO - zColo US3,328
AS16626DATABANK-ZCOLO - zColo USIPv6 only

Similar-sized networks in United States

ASNNameIPv4 addresses
AS40020#1664 FARMERS-TELECOMMUNICATIONS-COOPERATIVE-INC - Farmers Telecommunications Cooperative, Inc.35,328
AS326#1665 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)35,328
AS17223#1666 DATABANK-LATISYS - Latisys-Chicago, LLC35,072
AS395383#1668 DATAVERGE - Cologuard35,072
AS12183#1669 TALKIE-COMMUNICATIONS - Talkie Communications, Inc35,072
AS29894#1670 SCRTC - South Central Rural Telecommunications Cooperative Inc.35,072

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