AS31863 Centrilogic, Inc.

DACEN-2 - Centrilogic, Inc. · registered in the United States

IPv4 addresses49,15239 prefixes · 0.002% of announced IPv4

Rank in United States#1,499largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,960of 79,396 networks with IPv4

IPv61 x /32 (65,538 x /48)3 prefixes

CountryUnited States18,679 ASNs registered there

Open AS31863 in ASN lookup Look up an IP in this network (23.92.208.1) All networks in United States

IPv4 prefixes

All 39 prefixes, in address order.

23.92.208.0/20
45.85.158.0/23
45.95.194.0/23
45.133.215.0/24
45.138.198.0/23
45.152.130.0/23
74.118.0.0/22
87.76.149.0/24
103.114.216.0/22
104.152.184.0/21
104.171.112.0/20
104.234.30.0/24
104.234.200.0/24
104.244.158.0/24
139.64.172.0/22
140.235.188.0/22
142.202.224.0/22
162.248.240.0/21
172.83.185.0/24
172.98.192.0/21
172.98.200.0/22
173.195.100.0/22
173.240.5.0/24
173.240.15.0/24
191.44.86.0/24
192.111.144.0/20
192.198.80.0/20
192.254.64.0/20
199.16.31.0/24
199.43.199.0/24
199.43.200.0/22
199.43.204.0/24
199.83.172.0/22
199.101.184.0/22
199.191.56.0/22
199.241.184.0/21
199.255.136.0/22
199.255.156.0/22
216.126.192.0/21

IPv6 prefixes

All 3 prefixes.

2602:ff96:3::/48
2602:ff96:7::/48
2607:5600::/32

Other ASNs named Centrilogic, Inc.

1 other network uses the same organisation name; together with AS31863 they announce 61,184 IPv4 addresses.

ASNNameIPv4 addresses

AS19693CENTRILOGIC-ASN - Centrilogic, Inc. US12,032

Similar-sized networks in United States

ASNNameIPv4 addresses

AS15243#1496 WIDENER - Widener University49,408

AS397179#1497 BRIDGEWATER-COLLEGE - Bridgewater College49,408

AS2734#1498 CORESITE - CoreSite49,152

AS22987#1500 BRIGHTRIDGE - BrightRidge49,152

AS167#1501 WESLEYAN-AS - Wesleyan University49,152

AS11050#1502 KENT-STATE - Kent State University49,152

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