AS1747 is the autonomous system of IBM. It holds 49,920 IPv4 addresses in 5 prefixes, mainly in 
United States.
By IPv4 addresses the network ranks #3,914 worldwide and #1,469 of 18,202 networks in United States.
The largest block is 129.34.128.0 to 129.34.255.255 with 32,768 addresses, geolocated to Poughkeepsie.
- IPv4 addresses
- 49,920
- IPv4 prefixes
- 5
- World rank
- #3,914
Addresses by country
- United States 100%
Largest blocks
- 129.34.128.0 Poughkeepsie32,768
- 129.34.0.0 Poughkeepsie16,384
- 199.181.149.0 Poughkeepsie256
- 199.164.149.0 Poughkeepsie256
- 198.180.207.0 Poughkeepsie256
Networks of similar size
49,920
49,920
49,920
49,664
49,664
49,664IPv4 prefixes
Questions and answers
Who owns AS1747?
Autonomous system AS1747 is operated by IBM.
How many IP addresses does AS1747 have?
The network holds 49,920 IPv4 addresses in 5 prefixes.
Which country is AS1747 in?
The main country is United States.
How big is AS1747?
By IPv4 addresses it ranks #3,914 worldwide.
What is the largest address block of AS1747?
129.34.128.0 to 129.34.255.255, 32,768 addresses.