AS37917
University of Tsukuba · tsukuba.ac.jp
Japan
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| Field | Value |
|---|---|
| Country |
Japan
|
| Website | tsukuba.ac.jp |
| Hosted domains | 50 |
| Number of IPv4 | 132,096 |
| Number of IPv6 | 0 |
| ASN type | Education |
| Registry | jpnic |
| Updated | 18 years ago on Jun 11, 2007 |
IP Ranges
| Netblock | Company | Num of IPs |
|---|---|---|
| 130.158.0.0/16 | University of Tsukuba | 65,536 |
| 133.51.0.0/16 | Japan Network Information Center | 65,536 |
| 163.220.252.0/22 | University of Tsukuba | 1,024 |
There are no known IPv6 addresses belonging to this network
WHOIS Details
ASHandle: AS37917
OrgID: AS37917
ASName: AS37917
ASNumber: AS37917
RegDate: 0000-00-00
Updated: 0000-00-00
TechHandle: AA00-AAAA
Source: AAAA
Hosted Domains
There are 50 domain names hosted across 34 IP addresses on this ASN.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 130.158.75.59 | ██████████ | 11 |
| 130.158.69.105 | ██████████ | 3 |
| 130.158.75.33 | ██████████ | 3 |
| 130.158.42.64 | ██████████ | 2 |
| 130.158.137.78 | ██████████ | 2 |
| 130.158.153.10 | ██████████ | 2 |
| 130.158.75.39 | ██████████ | 2 |
| 130.158.70.188 | ██████████ | 2 |
| 130.158.6.121 | █████████ | 2 |
| 130.158.199.11 | ██████████ | 1 |
Peers
There are 2 peers for this ASN.
| Peers | Name |
|---|---|
| AS2907 | Research Organization of Information and Systems, National Institute of Informatics |
| AS63770 | Industrial Cyber Security Center of Excellence |
Upstreams
There are 2 upstreams for this ASN.
| upstreams | Name |
|---|---|
| AS2907 | Research Organization of Information and Systems, National Institute of Informatics |
| AS63770 | Industrial Cyber Security Center of Excellence |
Downstreams
There are no downstreams for this ASN.
Pingable IPs
66 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 130.158.44.60 |
2.44ms from Tokyo,
JP
|
|
| 130.158.223.254 |
2.73ms from Tokyo,
JP
|
|
| 163.220.255.138 |
2.48ms from Tokyo,
JP
|
|
| 130.158.247.254 |
2.42ms from Tokyo,
JP
|
|
| 130.158.71.254 |
2.41ms from Tokyo,
JP
|
|
| 130.158.31.190 |
2.43ms from Tokyo,
JP
|
|
| 130.158.68.253 |
2.42ms from Tokyo,
JP
|
|
| 130.158.38.253 |
2.42ms from Tokyo,
JP
|
|
| 130.158.227.126 |
2.43ms from Tokyo,
JP
|
|
| 130.158.191.253 |
2.45ms from Tokyo,
JP
|
|
| 130.158.47.189 |
2.42ms from Tokyo,
JP
|
|
| 130.158.110.254 |
2.43ms from Tokyo,
JP
|
|
| 130.158.43.253 |
2.40ms from Tokyo,
JP
|
|
| 130.158.233.254 |
2.42ms from Tokyo,
JP
|
|
| 130.158.7.254 |
2.44ms from Tokyo,
JP
|
|
| 130.158.251.253 |
2.42ms from Tokyo,
JP
|
|
| 130.158.153.253 |
2.43ms from Tokyo,
JP
|
|
| 130.158.253.253 |
2.43ms from Tokyo,
JP
|
|
| 130.158.224.253 |
2.43ms from Tokyo,
JP
|
|
| 130.158.13.253 |
2.44ms from Tokyo,
JP
|
|
| 130.158.69.126 |
2.40ms from Tokyo,
JP
|
|
| 130.158.229.254 |
2.44ms from Tokyo,
JP
|
|
| 130.158.15.126 |
2.42ms from Tokyo,
JP
|
|
| 130.158.196.13 |
10.19ms from Tokyo,
JP
|
|
| 130.158.239.254 |
2.45ms from Tokyo,
JP
|
Other Pingable IPs
Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
| IP Address | ASN | Details |
|---|---|---|
| 95.211.55.221 |
0.28ms from Amsterdam,
NL
|
|
| 171.100.118.173 |
1.98ms from Bangkok,
TH
|
|
| 114.247.226.45 |
4.37ms from Beijing,
CN
|
|
| 190.144.37.221 |
0.95ms from Bogota,
CO
|
|
| 185.208.201.13 |
0.38ms from Bratislava,
SK
|
|
| 121.210.203.253 |
3.39ms from Brisbane,
AU
|
|
| 81.248.1.237 |
19.40ms from Cayenne,
GF
|
|
| 64.132.138.13 |
2.88ms from Charlotte,
US
|
|
| 176.109.212.205 |
0.41ms from Hamburg,
DE
|
|
| 92.252.113.45 |
6.80ms from Hamburg,
DE
|
|
| 14.177.144.157 |
1.28ms from Hanoi,
VN
|
|
| 14.234.201.13 |
2.04ms from Ho Chi Minh City,
VN
|
|
| 14.172.96.125 |
2.27ms from Ho Chi Minh City,
VN
|
|
| 14.96.138.109 |
0.51ms from Hyderabad,
IN
|
|
| 212.67.106.77 |
2.08ms from London,
GB
|
|
| 92.186.173.61 |
9.35ms from Madrid,
ES
|
|
| 89.88.33.77 |
5.82ms from Marseille,
FR
|
|
| 104.171.81.61 |
2.77ms from Miami,
US
|
|
| 113.17.189.13 |
3.25ms from Nanning,
CN
|
|
| 15.152.71.29 |
0.58ms from Osaka,
JP
|
|
| 88.125.81.173 |
3.04ms from Paris,
FR
|
|
| 222.133.194.13 |
8.63ms from Qingdao,
CN
|
|
| 1.221.28.77 |
1.89ms from Seoul,
KR
|
|
| 115.1.127.29 |
1.70ms from Seoul,
KR
|
|
| 126.88.45.13 |
2.44ms from Tokyo,
JP
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.
IPinfo ProbeNet
in Astana, KZ
Related Networks
What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS37917 at robtex.
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