Data as of Nov 4, 2026
81.2.148.0/24
No anonymizer space · no proxy exits in 30 daysSD1-Telecom SRL · space held by Cogent Communications Group LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 81.2.128.0/18 since Sep 2005 | AS174 | Internet provider | 1,652 197 always on | Cogent Communications Group LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 81.2.128.0/18 | 16,384 | US-COGENT-20020315 | Cogent Communications Group LLC (ORG-GATI1-RIPE) · US | ALLOCATED PA | Mar 15, 2002 | abuse@ |
| └ 81.2.148.0/24 | 256 | SD1-CGNT-NET-1 | SD1-Telecom | ASSIGNED PA | Mar 8, 2022 | abuse@ via US-COGENT-20020315 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications Group LLC
- Handle
- ORG-GATI1-RIPE
- Range
- 81.
2. 128. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Mar 15, 2002
Origin network
AS201042
BE
- Name
- SD1-Telecom SRL
- Type
- Internet provider
- Registered
- Nov 30, 2022
- Domain
- sd1.be
- 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
- Mar 2022
- Current origin since
- Jan 2024 · 2.8 yr
- Origin networks
- 2
- Last change of origin
- Jan 2024
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS201042 | RIPE | Route Object Registered for Cogent Communications Customer - SD1 Telecom | COGENT-ROOT-MNT | Feb 9, 2024 |
Whois
Registration for this announcement
- Range
- 81.
2. 148. 0/ 24 - Netname
- SD1-CGNT-NET-1
- Registrant
- SD1-Telecom
- Registrant country
- NL
- Organization
- SD1-Telecom
- Org country
- NL
- Type
- ASSIGNED PA
- Created
- Mar 8, 2022
- Updated
- May 5, 2025
- Maintainer
- COGENT-HM-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Mar 15, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Communications Hostmaster
- Handle
- CGNT-RIPE