University of Delaware
AS2 is University of Delaware (udel.edu). It announces 78,592 IPv4 addresses in 8 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1991-01-10· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States65,536 · 83.66%
- India8,192 · 10.46%
- Russia4,608 · 5.88%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- UDEL-DCN
- name
- University of Delaware
- org
- UNIVER-19-Z
- org name
- University of Delaware
- org address
- Information Technologies, 192 South Chapel Street, Newark, DE, 19716
- org city
- Newark
- org country
- US
- country
- US
- source
- arin
- created
- 1991-01-10
- updated
- 2023-11-08
- abuse name
- Scott Huffman
- abuse email
- scotthu@udel.edu
- abuse phone
- +1-302-831-7377
- abuse kind
- person
- abuse city
- Newark
- abuse country
- US
- admin name
- Michael DAvis
- admin email
- davis@udel.edu
- admin phone
- +1-302-831-6006
- admin kind
- person
- admin city
- Newark
- admin country
- US
- tech name
- Scott Huffman
- tech email
- scotthu@udel.edu
- tech phone
- +1-302-831-7377
- tech kind
- person
- tech city
- Newark
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP390.05%
- novada, anyip, cliproxy0.35%
- None here
- None here
- None here
- None here
- Hosting IP22,78428.99%
- None here
- Carrier IP8,192AirTel10.42%
- None here
- SSH IP320.04%
- 0.00%
- 0.01%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 91.143.144.0/20 | Russia | not found | 17 | 2026-10-02 |
| 128.4.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 171.79.128.0/20 | India | not found | 17 | 2026-10-02 |
| 171.79.144.0/20 | India | not found | 17 | 2026-10-02 |
| 189.39.185.0/24also AS270792 | — | not found | 5 | 2026-10-02 |
| 189.76.77.0/24also AS52752 | — | not found | 2 | 2026-10-02 |
| 194.190.53.0/24also AS203794 | Russia | not found | 9 | 2026-10-02 |
| 194.190.54.0/24also AS203794 | Russia | not found | 9 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:67c:1328::/48also AS199268 | Slovenia | invalid:origin | 1 | 2026-10-02 |
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