AS18183
National Center for Research on Earthquake Engineering
Scanned 3 days ago
🔄 Rescan

📋 Summary

IP address summary information
NameNational Center for Research on Earthquake Engineering
CountryTW
WebsiteNational Center for Research on Earthquake Engineering
IPv4 addresses7.9K
IPv6 addresses~2^83
ASN typeTransit
RegistryAPNIC
AllocatedSep 04, 2008
UpdatedJan 08, 2026

🗺️ Geolocation

TW

Countries by IPv4 share

TW
100%

Geolocation based on WHOIS registration data.

📊 IP Ranges

IPv4: 5 | IPv6: 5
NetblockIP Count
2001:4500:1100::/41 0
2001:4500::/32 0
61.56.0.0/20 4.1K
2400:85a0::/32 0
2001:4500:1180::/41 0
103.189.132.0/23 512
61.56.8.0/21 2.0K
2001:4500:1100::/40 0
202.5.12.0/22 1.0K
61.56.4.0/24 256

Prefix data from RIPE Stat / RIR allocation records.

📄 WHOIS

APNIC
HandleAS18183
NameNCREE
CountryTW
Statusactive
AllocatedSep 04, 2008
UpdatedJan 08, 2026

Contacts

Abuse ContactIRT-NCREE-TW <wccheng@narlabs.org.tw>
Admin ContactTWNIC ROLE-NCREE <net@it.ncree.org>
Tech ContactTWNIC ROLE-NCREE <net@it.ncree.org>
Phone+886-2-6630-0888
Address200, Sec. 3, Xinhai Road, Taipei 10658, Taiwan

Source: APNIC

🔗 Peers

0 peers for this ASN

No peers found.

⬆️ Upstreams

4 upstreams
ASNName
AS7539 National Center for High-performance Computing
AS9264 Academia Sinica
AS9505 Taiwan Internet Gateway
AS9681 Formosa Open eXchange(FOX)

Upstream data from RIPE Stat routing history.

⬇️ Downstreams

1 downstream
ASNNameCountry
AS18426 National Applied Research Laboratories TW

🔒 RPKI / ROA

Source: rpki.zorn.ltd
PrefixOrigin ASNMax LengthValidity
61.56.0.0/20 AS18183 /24 ✓ Valid
103.189.132.0/23 AS18183 /23 ✓ Valid
61.56.8.0/21 AS18183 /24 ✓ Valid
202.5.12.0/22 AS18183 /22 ✓ Valid
61.56.4.0/24 AS18183 /24 ✓ Valid

RPKI validation powered by rpki.zorn.ltd (Routinator).

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