$ query “AS12912” --type=asn → 1 result(s)
AS12912 — TMPL
T-Mobile Polska S.A.
AS12912 is a major transit provider run by T-Mobile Polska S.A., established in Poland in 2002. The network announces an impressive 1.1 million IPv4 addresses, including a /14. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #9 in Poland — Top 10 by reach within country
Basic Information
- Country
- 🇵🇱 Poland
- Category
- Internet Service Provider
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 16, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 47 / 30
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 1 109 504
- Largest IPv4 Prefix
- /14 (262 144 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇵🇱 PL (55 IPs), 🇩🇪 DE (1 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 8 flagged IPs out of 1 109 504 total (0.00%)
- Open Proxies
- 1 known open proxies in this network
Connectivity Summary
- Upstream Providers
- 3 upstream autonomous systems providing transit
- Peers
- 97 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 211 downstream autonomous systems buying transit
- Degree
- 319 unique BGP neighbors (providers + customers + peers)
- Reach
- 428 — customer cone size measuring network influence
- Degree Rank
- #411
- Reach Rank
- #703
- Country Rank
- #9
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (47 total)
- 178.180.0.0/14 (262 144 addresses)
- 37.30.0.0/15 (131 072 addresses)
- 46.204.0.0/15 (131 072 addresses)
- 188.146.0.0/15 (131 072 addresses)
- 89.174.0.0/16 (65 536 addresses)
- 94.42.0.0/16 (65 536 addresses)
- 157.25.0.0/16 (65 536 addresses)
- 217.153.0.0/16 (65 536 addresses)
- 62.29.128.0/17 (32 768 addresses)
- 78.133.128.0/17 (32 768 addresses)
- 85.219.128.0/17 (32 768 addresses)
- 212.203.128.0/17 (32 768 addresses)
- 62.152.128.0/19 (8 192 addresses)
- 83.220.96.0/19 (8 192 addresses)
- 195.94.192.0/19 (8 192 addresses)
- 212.38.192.0/19 (8 192 addresses)
- 213.158.192.0/19 (8 192 addresses)
- 213.218.96.0/19 (8 192 addresses)
- 217.8.160.0/19 (8 192 addresses)
- 85.202.56.0/23 (512 addresses)
- 193.33.42.0/23 (512 addresses)
- 193.91.6.0/23 (512 addresses)
- 91.213.239.0/24 (256 addresses)
- 91.223.23.0/24 (256 addresses)
- 193.91.1.0/24 (256 addresses)
- 193.105.75.0/24 (256 addresses)
- 193.105.242.0/24 (256 addresses)
- 193.110.80.0/24 (256 addresses)
- 194.9.68.0/24 (256 addresses)
- 195.225.69.0/24 (256 addresses)
IPv6 Prefixes (2 total)
- 2001:1b80::/29
- 2001:4190::/32