Data as of Nov 10, 2026
157.2.48.0/21
No anonymizer space · no proxy exits in 30 daysCOLT Technology Services Group Limited · space held by Net One Systems Co.,Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 157.2.32.0/19 since Apr 2025 | AS8220 | Unknown | Net One Systems Co.,Ltd. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 157.2.52.0/24 since Aug 2025 | AS8220 | Unknown | Net One Systems Co.,Ltd. |
Network & registry
Origin network
AS8220
GB
- Name
- COLT Technology Services Group Limited
- Type
- Internet provider
- Registered
- Feb 24, 1997
- Domain
- colt.net
- Website
- www.colt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2019
- Current origin since
- Mar 2025 · 1.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2025
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8220 | RADB | proxy object for customer to build route filter | MAINT-AS8220 | Feb 27, 2025 |
Whois
Registration for this announcement
- Range
- 157.
2. 0. 0/ 16 - Netname
- NETONE-NET
- Registrant
- Net One Systems Co.,Ltd.
- Registrant country
- JP
- Organization
- Net One Systems Co.,Ltd.
- Org country
- JP
- Type
- ASSIGNED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 1, 2015
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Sep 2, 1992
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP