Autonomous system
AS4697 NTTV6NET - Nippon Telegraph and Telephone Corporation
Unclassified ARIN Educational/Research
Summary
Nippon Telegraph and Telephone Corporation (NTT)
enterprise legacy
NTTV6NET — an ASN held by Nippon Telegraph and Telephone Corporation, the parent company of Japan's NTT group. The handle points at IPv6 networking work.
What it's used for
- NTT corporate and network engineering use. The small amount of IPv4 space here is consistent with an infrastructure or research network rather than a customer-facing service.
Notable
- This is NTT the holding company, distinct from the group's operating networks: AS2914 is NTT's global IP transit backbone and AS4713 is the OCN consumer ISP. Seeing an IP here does not mean you are on NTT's commercial internet.
- NTT was an early and heavy investor in IPv6 deployment, and the
V6in the handle reflects that lineage.
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
7 upstream, 0 downstream and 10 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 2026-11-06, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 7 prefixes · 3.33K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| JP | Japan | 8 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS4697- Registry name
- NTTV6NET
- Registered
- 1995-08-30
- Last changed
- 2023-03-30
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- NTT NTLab
- Also known as
- NTTv6NET
- Network type
- Educational/Research
- Scope
- Asia Pacific
- Traffic ratio
- Mostly Inbound
- Peering policy
- Open
- IRR as-set
JPIRR::AS4697- Present at
- 1 exchanges
- Facilities
- 1 facilities
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
- 0% valid · 0 valid, 8 with no ROA
- ROAs
- 0 authorising AS4697
- ASPA
- no ASPA record
- IRR
- 63% registered · 5 of 8 announcements
- Route objects
- 5 naming AS4697
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: 454 networks and 1,854 prefixes, as published 2026-11-06. 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