AS34 University of Delaware

UDELNET - University of Delaware · registered in the United States

IPv4 addresses65,7922 prefixes · 0.002% of announced IPv4

Rank in United States#931largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,753of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS34 in ASN lookup Look up an IP in this network (38.115.62.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

38.115.62.0/24
128.175.0.0/16

IPv6 prefixes

All 1 prefix.

2604:580::/32

Other ASNs named University of Delaware

1 other network uses the same organisation name; together with AS34 they announce 143,872 IPv4 addresses.

ASNNameIPv4 addresses

AS2UDEL-DCN - University of Delaware US78,080

Similar-sized networks in United States

ASNNameIPv4 addresses

AS398564#928 EUP-SCOTS-NET - Pennsylvania Western University66,048

AS398655#929 CALU-ASN - Pennsylvania Western University66,048

AS10867#930 FHDA-AS - Foothill-DeAnza Community College District65,800

AS17152#932 BATES - Bates College65,792

AS23309#933 CCCOE-NET - Contra Costa County Office of Education65,792

AS30674#934 BAYLORU - Baylor University65,792

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