Autonomous system
AS15505 KAU
Unclassified RIPE
Summary
King Abdulaziz University
education research infrastructure
An early network number that did not appear in routing until a decade later.
What it's used for
- A university network. Three IPv4 prefixes announced from Saudi Arabia, no IPv6, a thousand two hundred addresses, through one observed BGP neighbour.
Notable
- The number was allocated in an early block of the numbering space, but the routing history first records it more than ten years after its neighbours in that range appeared.
- All three blocks share one netname, the institution's initials and a digit, with nothing to distinguish them from each other.
- The registrant field names the university and its technology deanship, but drops a word from the title that the holder record includes, so the two spellings of the same body differ.
- Two of the three blocks are adjacent in the address space and could be announced as fewer routes.
- Nine addresses were queried for reverse DNS and none returned a name.
Interesting
- A low number appearing in routing that late means it was assigned, unused or used privately, and brought into service much later. The number is older than the network.
- One netname across three blocks is the registry equivalent of leaving a form field on its default. It makes the blocks indistinguishable in any tool that groups by name.
- A thousand addresses and one upstream, with no IPv6, is a small footprint for an institution of this size, which usually means most of the campus sits behind translation.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Transit providers
1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.
| AS | Network | Paths seen |
|---|---|---|
| AS43766 | Mobile Telecommunication Company Saudi Arabia Joint-Stock company | 298 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-27, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 3 prefixes · 1.28K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| SA | Saudi Arabia | 3 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS15505- Registry name
- KAU
- Registrant
- KACST-ISU-MNT
- Abuse contact
- abuse@isu.net.sa
- Registered
- 2011-03-23
- Last changed
- 2017-11-15
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 6 valid, 0 with no ROA
- ROAs
- 8 authorising AS15505
- ASPA
- no ASPA record
- IRR
- 100% registered · 6 of 6 announcements
- Route objects
- 16 naming AS15505
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 447 networks and 1,852 prefixes, as published 2026-10-27. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere