Autonomous system
AS15580 Gutenbergstrasse 8
Unclassified RIPE
Summary
Allianz Technology
finance enterprise business infrastructure
The AS handle is a street address, building number included.
What it's used for
- An insurance group's technology arm. Twenty IPv4 prefixes and one IPv6
/32announced from Germany, nine thousand addresses, across twenty-eight observed BGP neighbours.
Notable
- The AS handle holds a street name and a house number instead of an organisation code, so the field that identifies the network identifies a building.
- Sixteen of the twenty blocks come out of one large range and are announced as separate
/22,/23and/24routes rather than as one piece. - Blocks are registered to five different companies in the group, in four countries, but one network team is listed as contact on nearly all of them.
- Two netnames name insurance brands that are not the holder's, and one is an opaque eight-character string with a digit on the end.
- Eighteen addresses were queried for reverse DNS and none returned a name.
Interesting
- Announcing sixteen pieces of one range instead of the range itself costs everyone downstream sixteen routing entries where one would do, and gains control over how traffic to each piece arrives.
- A group's corporate structure is fully readable here: the brands it bought, the countries they sit in, and the single team that runs the network for all of them.
- Not one address answers in reverse, which for nine thousand addresses of corporate space is a consistent choice rather than an oversight.
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
Recorded at 2 exchanges in 2 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.196.195 |
| Equinix Internet Exchange Paris | Paris, France | 195.42.145.220 |
Transit providers
7 upstream, 1 downstream and 9 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 20 prefixes · 9.47K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| DE | Germany | 21 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS15580- Registry name
- UNSPECIFIED
- Registrant
- AS8360-MNT
- Abuse contact
- abuse@allianz.com
- Registered
- 1970-01-01
- Last changed
- 2017-11-15
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 38 valid, 0 with no ROA
- ROAs
- 71 authorising AS15580
- ASPA
- no ASPA record
- IRR
- 100% registered · 38 of 38 announcements
- Route objects
- 151 naming AS15580
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: 432 networks and 1,768 prefixes, as published 2026-10-12. 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