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ASN lookup result for AS7671 NTT SmartConnect Corporation — network size, BGP routing and registration

JPAS7671NTT SmartConnect CorporationIDC
WHOIS Topology

Japan · APNICnttsmc.com

CDNVPS hosting

IPv4 addresses

453,888

61 announced prefixes

IPv6 addresses

3.96 × 10²⁹

3 announced prefixes

BGP neighbours

…

CAIDA rank

#6,044

Customer cone 3 ASNs

Estimated users

10.6K

APNIC: 10.5K

RPKI

88% valid

0 invalid · 8 not covered

Average purity

71

18 sampled IPs

IXPs / facilities

1 / 5

Operator self-reported

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

PrefixRPKIRegistrationGeolocationAddresses
124.245.0.0/16ValidJPNTTWEST-NGNAPNICJPJapan65,536
157.3.0.0/16ValidJPNTT-WEST-BB1APNICJPJapan65,536
157.4.0.0/16ValidJPNTT-WEST-BB2APNICJPJapan65,536
222.231.128.0/17ValidJPFLETS-WESTAPNICJPJapan32,768
125.252.128.0/18ValidJPFLETS-WESTAPNICJPJapan16,384
210.89.192.0/18ValidJPNTTSMCAPNICJPJapan16,384
210.247.64.0/18Not foundJPFLETS-WESTAPNICJPJapan16,384
58.147.192.0/19ValidJPNTTSMCAPNICJPJapan8,192
58.147.224.0/19ValidJPNTTSMCAPNICJPOsaka8,192
124.241.192.0/19ValidJPNTTSMCAPNICJPJapan8,192
202.71.64.0/19ValidJPNTTSMCAPNICJPJapan8,192
203.78.224.0/19ValidJPNTTSMCAPNICJPŌbu8,192
203.184.96.0/19ValidJPNTTSMCAPNICJPJapan8,192
203.211.160.0/19ValidJPNTTSMCAPNICJPJapan8,192
203.211.192.0/19ValidJPNTTSMCAPNICJPJapan8,192
203.211.224.0/19ValidJPNTTSMCAPNICJPJapan8,192
210.172.32.0/19ValidJPJPNIC-NET-JPAPNICJPJapan8,192
210.247.32.0/19Not foundJPFLETS-WESTAPNICJPJapan8,192
114.129.48.0/20ValidJPNTTSMCAPNICJPJapan4,096
117.58.224.0/20ValidJPNTTSMCAPNICJPJapan4,096

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 2 / 1,773 （<1%） · flagged 1

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

157.3.0.0/161/256 with data · 0 flagged

114.129.0.0/211/8 with data · 1 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 070–84 1850–69 00–49 0

<0.01%

Share of IPv4 reported or blocklisted

4

Listed IPs

18

Analysed IPs

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

  • JP Japan
Scope
Single country
In registered country
100.0%

Estimated by sampling IPv4 ranges against a geolocation database.

Traffic observation

AS7671 · Last 7 days
Mobile vs. Desktop
Desktop 92.8%Mobile 7.2%
Desktop92.8%Mobile7.2%
Bot vs. Human
Human 37.8%Bot 62.2%
Human37.8%Bot62.2%

Adoption & Usage

Adoption and usage of key protocols

Internet Protocol (IP) Version
IPv4 97.8%IPv6 2.2%2.2%IPv6
IPv497.8%IPv62.2%
HTTP Version
HTTP/1.x
35.4%HTTP/2
63.3%HTTP/3
1.2%
HTTP vs. HTTPS
99.8% HTTPS (encrypted)
Plain HTTP 0.2%
TLS Version
TLS 1.0/1.10%TLS 1.21.9%TLS 1.396.9%QUIC1.2%

Security & Attacks

Insights into network and application layer attack traffic

Layer 7 Attacks
GET
90.9%HEAD
7.6%POST
1.4%OPTIONS
0.2%

BGP Announcements

Hourly BGP route announcements over the last 7 days

269,802
7-day total
12,741
Hourly peak

Data: Cloudflare Radar, licensed under CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

00061218
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Times in UTCLessMore
Peak hour
02:00–03:00
Active hours
11 hrs
Weekend vs weekday
Weekdays heavier
Busiest day
Wed

Datacenter Presence

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BGP upstreams and neighbours

AS7671Standalone page
Loading upstreams and neighbours…

WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

InformationSourceUpdated
Registered countryRIR daily delegation statistics2026-10-22
Registered address & allocation dateRIR registration data (RDAP)2026-10-14
Organization & company countryAS-to-organization data2026-10-21
Network typeCleanIP ASN canon2026-10-17
Exchanges & facilitiesOperator self-reported interconnection data2026-10-21
Announced prefixes & BGP neighboursPublic BGP routing data2026-10-22
IPv4 geographyGeolocation database—
RPKI validationRPKI ROA validation data2026-10-22
Rank & customer coneCAIDA AS Rank2026-10-01
Estimated users (APNIC)APNIC Labs user estimates2026-10-19
Network tagsPublic routing data community tags2026-10-22
IP reputationCleanIP lookups and neighbour sampling—

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Multi-source cross-checks · In-house reputation data · Real data only

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