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Autonomous System

AS11158

NTT America, Inc.

Announced IPs
7,424
CIDR prefixes
21
ASN
AS11158

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About NTT Docomo Business

NTT Docomo Business, Inc. , previously known as NTT Communications Corporation is a Japanese telecommunications company owned by NTT.

Founded
1999
Headquarters
Tokyo
Industry
telecommunications industry
Parent
NTT, Inc.

Network profile

Source: PeeringDB →
Network type NSP
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Selective
IRR record AS-NTTGN-EU

Present at 1 internet exchange: SGIX: Peering LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
117.103.120.0/22 1.0K
0.0%
NTT America, Inc. IN
209.212.232.0/22 1.0K
0.0%
NTT America, Inc. US
117.103.126.0/23 512
0.0%
NTT America, Inc. IN
209.212.228.0/23 512
0.0%
NTT America, Inc. US
43.248.220.0/24 256
0.0%
NTT America, Inc. IN
46.235.109.0/24 256
0.0%
NTT America, Inc. US
46.235.111.0/24 256
0.0%
NTT America, Inc. US
64.254.120.0/24 256
96.5%
NTT America, Inc. US
74.220.96.0/24 256
0.4%
NTT America, Inc. US
77.247.1.0/24 256
97.3%
NTT America, Inc. US
77.247.15.0/24 256
98.4%
NTT America, Inc. US
117.103.120.0/24 256
0.0%
SG
117.103.121.0/24 256
0.0%
HK
117.103.122.0/24 256
0.0%
JP
117.103.123.0/24 256
0.0%
MY
117.103.124.0/24 256
0.0%
NTT America, Inc. IN
119.31.161.0/24 256
92.6%
NTT America, Inc. IN
119.31.167.0/24 256
93.4%
NTT America, Inc. IN
119.31.168.0/24 256
98.0%
NTT America, Inc. IN
185.71.48.0/24 256
0.0%
NTT America, Inc. US
185.71.50.0/24 256
0.0%
NTT America, Inc. US
206.197.59.0/24 256
0.0%
NTT America, Inc. US
209.212.228.0/24 256
0.0%
JP Tokyo Tokyo
209.212.229.0/24 256
0.0%
HK
209.212.232.0/24 256
0.0%
SG
209.212.233.0/24 256
0.0%
AU New South Wales Sydney
209.212.234.0/24 256
0.0%
MY
209.212.235.0/24 256
0.0%
TH Bangkok Bangkok
209.212.236.0/24 256
0.0%
NTT America, Inc. US
212.11.82.0/24 256
0.0%
NTT America, Inc. US
212.11.84.0/24 256
0.0%
NTT America, Inc. US
117.103.124.0/25 128
0.0%
SG
117.103.124.192/26 64
0.0%
SG
117.103.124.160/27 32
0.0%
SG
117.103.124.128/28 16
0.0%
SG
117.103.124.152/29 8
0.0%
SG
117.103.124.144/30 4
0.0%
SG
117.103.124.148/30 4
0.0%
JP

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS11158 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
209.212.229.0/24 31,458 2026-09-13 03:24:44
209.212.234.0/24 22,699 2026-09-13 03:51:15
209.212.235.0/24 16,968 2026-09-13 03:54:36
209.212.232.0/24 16,678 2026-09-13 03:47:55
64.254.120.0/24 15,426 2026-09-13 03:54:16
74.220.96.0/24 15,011 2026-09-13 03:54:16
43.248.220.0/24 14,630 2026-09-13 03:49:01
117.103.124.0/24 14,488 2026-09-13 03:54:16
119.31.161.0/24 14,460 2026-09-13 03:54:16
119.31.167.0/24 14,424 2026-09-13 03:54:16
119.31.168.0/24 14,417 2026-09-13 03:54:16
206.197.59.0/24 14,180 2026-09-13 03:54:16
209.212.236.0/24 13,876 2026-09-13 03:54:47
209.212.233.0/24 13,078 2026-09-13 03:25:35
185.71.50.0/24 10,681 2026-09-13 03:25:09
185.71.48.0/24 10,051 2026-09-13 03:25:09
117.103.121.0/24 9,818 2026-09-13 03:25:18
46.235.109.0/24 9,290 2026-09-13 03:25:06
77.247.15.0/24 9,245 2026-09-13 03:25:06
77.247.1.0/24 9,158 2026-09-13 03:25:06
117.103.120.0/24 8,915 2026-09-13 03:24:42
46.235.111.0/24 8,804 2026-09-13 03:24:58
212.11.82.0/24 8,375 2026-09-13 03:25:01
117.103.126.0/24 7,859 2026-09-13 03:25:39
117.103.127.0/24 7,728 2026-09-13 03:24:42
117.103.122.0/24 7,383 2026-09-13 03:24:42
209.212.228.0/24 7,309 2026-09-13 03:25:39
117.103.123.0/24 7,300 2026-09-13 03:24:42
212.11.84.0/24 6,659 2026-09-13 03:24:44
119.31.160.0/24 1,772 2026-09-12 22:16:31

Frequently Asked Questions

What is AS11158?

AS11158 is an Autonomous System Number assigned to NTT America, Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS11158 announce?

AS11158 announces 7.4K IPv4 addresses distributed across 21 routed CIDR prefixes. The network is registered in United States.

Who operates AS11158?

AS11158 is operated by NTT America, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS11158 registered in?

AS11158 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-13 03:55:57 UTC
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