Data as of Nov 6, 2026
139.152.0.0/16
No anonymizer space · no proxy exits in 30 daysInternet Initiative Japan Inc. · space held by Tokyo Gas Co., Ltd.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 139.152.11.0/24 since Feb 2025 | AS2497 | Business | Tokyo Gas Co., Ltd. | |
| 139.152.13.0/24 since Feb 2025 | AS2497 | Business | Tokyo Gas Co., Ltd. | |
| 139.152.14.0/24 since Feb 2025 | AS2497 | Business | Tokyo Gas Co., Ltd. | |
| 139.152.15.0/24 since Feb 2025 | AS2497 | Business | Tokyo Gas Co., Ltd. |
Network & registry
Origin network
AS2497
JP
- Name
- Internet Initiative Japan Inc.
- Type
- Internet provider
- Registered
- Apr 5, 2002
- Domain
- iij.ad.jp
- Website
- www.iij.ad.jp/en/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Aug 2012 · 14 yr
- Origin networks
- 3
- Last change of origin
- Aug 2012
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 139.
152. 0. 0/ 16 - Netname
- TOKYO-GAS
- Registrant
- Tokyo Gas Co., Ltd.
- Registrant country
- JP
- Organization
- Tokyo Gas Co., Ltd.
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 1, 2015
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 21, 1994
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP