A collection of looking glasses of various ISPs
Aggregators
Major ISPs
- AS174 / Cogent
- AS286 / KPN (Eurorings)
- AS701, AS702, AS703, AS704 / Verizon
- AS1239 / Sprint
- AS1273 / Vodafone (CW)
- AS1299, AS8837, AS3308, AS3249, AS1759, AS3301 / Telia
- AS2914 / NTT
- AS3257 / GTT (Tinet)
- AS3320 / DTAG
- AS3356 / Level 3 (Century Link)
- AS3914 / PCCW
- AS4637 / Telstra
- AS5400 / BT (British Telecom)
- AS6453 / TATA
- AS6461 / Zayo
- AS6762 / Sparkle (Seabone)
- AS7473 / SingTel
- AS6939 / Hurricane Electric (HE)
- AS12956 / Telxius (Telefonica)
Content Networks
Internet Exchanges
- DE-CIX
- Peering.cz / Login: lg/lg
- Speed-IX