NORDUnet
AS2603 is NORDUnet (nordu.net). It announces 9,728 IPv4 addresses in 10 prefixes, and 2 IPv6 prefixes.
Denmark· RIPE· allocated 1993-09-30· 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.
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NORDUNET
- name
- NORDUnet
- org
- ORG-NA47-RIPE
- org name
- NORDUnet
- org address
- Amager Strandvej 390-402, DK-2770, Kastrup, DENMARK
- org country
- DK
- country
- DK
- source
- ripe
- status
- ASSIGNED
- created
- 2002-05-07
- updated
- 2026-09-25
- maintainer
- RIPE-NCC-END-MNT|NORDUNET-MNT
- abuse name
- Nordic University NOC
- abuse email
- abuse@nordu.net
- abuse phone
- +46 8 207 860
- abuse kind
- role
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.
- 0.03%
- None here
- None here
- None here
- 0.01%
- None here
- Hosting IP2,56026.32%
- None here
- None here
- None here
- SSH IP430.44%
- 0.05%
- 0.10%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 109.105.96.0/20 | Sweden | valid | 19 | 2026-10-02 |
| 109.105.112.0/21 | Sweden | valid | 19 | 2026-10-02 |
| 109.105.120.0/22 | Denmark | valid | 19 | 2026-10-02 |
| 185.174.116.0/22 | Denmark | valid | 19 | 2026-10-02 |
| 192.36.171.0/24also AS1653 | Sweden | not found | 18 | 2026-10-02 |
| 193.10.252.0/24 | Sweden | valid | 19 | 2026-10-02 |
| 193.10.254.0/24 | Denmark | valid | 19 | 2026-10-02 |
| 193.10.255.0/24also AS2832 | Sweden | valid | 17 | 2026-10-02 |
| 193.11.3.0/24 | Sweden | valid | 19 | 2026-10-02 |
| 194.68.13.0/24 | Denmark | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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