NTT IP Ranges
NTT is an internet backbone and transit provider operating AS2914. Its customer cone reaches 25,338 networks, which is why its routers appear frequently in traceroutes.
- Provider
- NTT
- Primary ASN
- AS2914
- Category
- Transit
- Headquarters
- Tokyo, Japan
- Announced IPv4 prefixes
- 1299
- Registry
- ARIN
Known IP ranges
These prefixes are currently announced to the global routing table by AS2914 (NTT-DATA-2914 - NTT America, Inc.). Prefix sets change over time - use WHOIS Lookup for the authoritative record on any specific address.
204.200.0.0/14
199.236.0.0/14
204.0.0.0/14
204.170.0.0/15
198.106.0.0/15
204.142.0.0/15
198.64.0.0/15
207.56.0.0/15
153.254.0.0/15
198.138.0.0/15
2404:3600::/32
2001:218::/32
2001:418::/32 (IPv6)
What does an NTT IP mean in a privacy test?
An NTT hop in a traceroute is normal and simply means your path crosses their backbone. An address directly on AS2914 usually belongs to a server or network buying transit from them.
Related tools
Frequently asked questions
What IP ranges does NTT use?
NTT announces 1299 IPv4 prefixes and 10 IPv6 prefixes under AS2914. Larger blocks include 204.200.0.0/14, 199.236.0.0/14, 204.0.0.0/14. The full current list is published by ARIN, and prefixes change as the network grows.
Why does an NTT IP appear in my privacy test?
An NTT hop in a traceroute is normal and simply means your path crosses their backbone. An address directly on AS2914 usually belongs to a server or network buying transit from them.
How large is the NTT network?
By CAIDA's AS Rank, AS2914 reaches 25,338 networks through its customer cone, covering roughly 1.2 billion IPv4 addresses. That places it at global rank 5 among all autonomous systems.
How do I look up an NTT IP address?
Enter the address in the MyIPScan IP Geolocation Lookup. Addresses in this network return AS2914 (NTT-DATA-2914 - NTT America, Inc.). WHOIS Lookup shows the registered CIDR block for any specific address.
What ASN does NTT use?
NTT operates AS2914, registered with ARIN and held by NTT-DATA-2914 - NTT America, Inc. In a privacy test this ASN is what identifies traffic as belonging to their network.