Autonomous system
AS131912 CYBOZU Cybozu,Inc.
Hosting RIPE Content
Interconnection
Peering at a glance
Internet exchanges
Recorded at 4 exchanges in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| BroadBand Internet eXchange Tokyo | Tokyo, Japan | 101.203.88.167 |
| BroadBand Internet eXchange Osaka | Osaka, Japan | 218.100.9.182 |
| Equinix Internet Exchange Tokyo | Tokyo, Japan | 2001:de8:5::13:1912:1 |
| Equinix Internet Exchange Osaka | Osaka, Japan | 203.190.227.43 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-10, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 2 prefixes · 1.28K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| JP | Japan | 3 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS131912- Registry name
- CYBOZU
- Registered
- 2011-08-04
- Last changed
- 2016-11-18
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- Cybozu, Inc.
- Network type
- Content
- Scope
- Asia Pacific
- Traffic ratio
- Not Disclosed
- Peering policy
- Selective
- IRR as-set
JPIRR::AS-CYBOZU-NET- Present at
- 6 exchanges
- Website
- https://www.cybozu.com
PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.
Routing security
RPKI and IRR
- RPKI
- 67% valid · 2 valid, 1 with no ROA
- ROAs
- 5 authorising AS131912
- ASPA
- no ASPA record
- IRR
- 33% registered · 1 of 3 announcements
- Route objects
- 1 naming AS131912
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
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: 431 networks and 1,775 prefixes, as published 2026-10-11. 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