203.250.87.0/24
AS55618 · UNIVERSITY OF ULSAN
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| Country |
South Korea
|
| Domain | kren.kr |
| ASN | AS55618 |
| Registry | APNIC |
| ID | KREN |
WHOIS Details
inetnum: 203.250.64.0 - 203.250.95.255 netname: KREN descr: Korean Education Network admin-c: IM70-AP tech-c: IM70-AP country: KR status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR last-modified: 2017-02-02T04:55:33Z source: APNIC irt: IRT-KRNIC-KR address: 9, Jinheung-gil, Naju-si, Jeollanam-do e-mail: irt@nic.or.kr abuse-mailbox: irt@nic.or.kr admin-c: IM574-AP tech-c: IM574-AP auth: # Filtered remarks: irt@nic.or.kr was validated on 2020-04-09 mnt-by: MNT-KRNIC-AP last-modified: 2025-09-04T01:00:01Z source: APNIC person: IP Manager address: 57 Daehak-ro, Jongno-gu, Seoul country: KR phone: +82-2-882-5363 e-mail: kindman@kren.kr nic-hdl: IM70-AP mnt-by: MNT-KRNIC-AP last-modified: 2025-11-17T00:10:02Z source: APNIC inetnum: 203.250.64.0 - 203.250.95.255 netname: KREN-KR descr: Korean Education Network country: KR admin-c: IA142-KR tech-c: IM142-KR status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR changed: hostmaster@nic.or.kr 20240912 remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC person: IP Manager address: 57 Daehak-ro, Jongno-gu, Seoul address: 1 country: KR phone: +82-2-882-5363 e-mail: kindman@kren.kr nic-hdl: IA142-KR mnt-by: MNT-KRNIC-AP remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC person: IP Manager address: 57 Daehak-ro, Jongno-gu, Seoul address: 1 country: KR phone: +82-2-882-5363 e-mail: kindman@kren.kr nic-hdl: IM142-KR mnt-by: MNT-KRNIC-AP remarks: This information has been partially mirrored by APNIC from remarks: KRNIC. To obtain more specific information, please use the remarks: KRNIC whois server at whois.kisa.or.kr. source: KRNIC
Nearby Ranges
BGP prefixes that overlap with 203.250.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 203.250.0.0/19 | AS1237 | KISTI | 8,192 |
| 203.250.120.0/21 | AS9708 | Pukyong National University | 2,048 |
| 203.250.160.0/21 | AS1237 | KISTI | 2,048 |
| 203.250.188.0/22 | AS9982 | Pai Chai University | 1,024 |
| 203.250.168.0/22 | AS17595 | Korea Institute of Nuclear Safety | 1,024 |
| 203.250.148.0/23 | AS9769 | Sejong University | 512 |
| 203.250.111.0/24 | AS55589 | Korea Institute of Industrial Technology | 256 |
| 203.250.183.0/24 | AS1237 | KRISO | 256 |
| 203.250.182.0/24 | AS1237 | KRISO | 256 |
Hosted domains
There are no domains currently hosted on this ASN.
Hosted domains API
Pingable IPs
No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
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 |
|---|---|---|
| 77.173.30.104 |
1.72ms from Amsterdam,
NL
|
|
| 16.145.128.200 |
0.13ms from Boardman,
US
|
|
| 189.176.206.248 |
14.31ms from Cancún,
MX
|
|
| 13.245.3.248 |
0.71ms from Cape Town,
ZA
|
|
| 3.149.96.56 |
0.15ms from Columbus,
US
|
|
| 36.80.228.120 |
1.71ms from Jakarta,
ID
|
|
| 159.224.14.152 |
1.00ms from Kharkiv,
UA
|
|
| 151.61.14.248 |
10.72ms from Milan,
IT
|
|
| 67.117.77.248 |
2.61ms from San Jose,
US
|
|
| 79.183.148.104 |
3.46ms from Tel Aviv,
IL
|
|
| 65.95.102.72 |
4.80ms from Toronto,
CA
|
|
| 178.222.225.104 |
2.68ms from Belgrade,
RS
|
|
| 141.134.163.136 |
7.28ms from Brussels,
BE
|
|
| 156.195.140.88 |
8.38ms from Cairo,
EG
|
|
| 18.191.54.56 |
0.17ms from Columbus,
US
|
|
| 213.114.207.40 |
2.92ms from Copenhagen,
DK
|
|
| 185.223.240.216 |
8.93ms from Madrid,
ES
|
|
| 95.255.132.152 |
2.35ms from Milan,
IT
|
|
| 222.186.154.72 |
3.29ms from Nanjing,
CN
|
|
| 67.252.10.40 |
10.96ms from New York City,
US
|
|
| 101.141.6.216 |
3.43ms from Osaka,
JP
|
|
| 82.65.37.120 |
1.73ms from Paris,
FR
|
|
| 5.16.25.88 |
7.80ms from Samara,
RU
|
|
| 3.36.157.8 |
0.18ms from Seoul,
KR
|
|
| 76.89.39.40 |
7.68ms from Atlanta,
US
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Male, MV
What are IP address ranges?
IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.
Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.
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