Data as of Nov 13, 2026
37.30.96.0/19
No anonymizer space · no proxy exits in 30 daysT-Mobile Polska S.A.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 37.30.0.0/15 since Jan 2012 | AS12912 | Mobile | 11,185 65 always on | T-Mobile Polska S.A. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.30.0.0/15 | 131,072 | PL-ERANET-20111230 | T-Mobile Polska S.A. (ORG-EG4-RIPE) · PL | ALLOCATED PA | Dec 30, 2011 | abuse@ |
| └ 37.30.0.0/16 | 65,536 | ERANET | blueconnect | ASSIGNED PA | Dec 30, 2011 | abuse@ via PL-ERANET-20111230 |
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
Announced by
Covering announcement 37.30.0.0/17
- Prefix
- 37.30.0.0/17
- Announced by
- AS12912 T-Mobile Polska S.A.
- Type
- Mobile
- Proxy exits
- 4,607
- Always-on exits
- 3
- RPKI
- RPKI valid
- Netname
- ERANET
- Registrant
- blueconnect
- RIR
- RIPE NCC
Registry
Holder
- Organization
- T-Mobile Polska S.A.
- Handle
- ORG-EG4-RIPE
- Range
- 37.
30. 0. 0/ 15 - Registration type
- ALLOCATED PA
- Record created
- Dec 30, 2011
Origin network
AS12912
PL
- Name
- T-Mobile Polska S.A.
- Type
- Internet provider
- Registered
- Dec 30, 1999
- Domain
- t-mobile.pl
- Website
- www.t-mobile.pl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
37.30.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Mar 2023
- Current origin since
- Mar 2023 · 3.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.30.0.0/15 | AS12912 | /17 | RIPE | RPKI valid |
IRR
Route objects on 37.30.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12912 | RIPE | T-Mobile Poland | AS12912-MNT | Jan 10, 2023 |
Whois
Registration for this announcement
- Range
- 37.
30. 0. 0/ 16 - Netname
- ERANET
- Registrant
- blueconnect
- Registrant country
- PL
- Organization
- blueconnect
- Org country
- PL
- Type
- ASSIGNED PA
- Created
- Dec 30, 2011
- Updated
- Dec 30, 2011
- Maintainer
- AS12912-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Dec 30, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
t-mobile. pl - Name
- T-Mobile.pl B2C abuse contact
- Handle
- TAT26-RIPE