203.250.89.0/24
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
1 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 203.250.89.42 |
8.63ms from Seoul,
KR
|
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 |
|---|---|---|
| 97.70.55.104 |
12.48ms from Chicago,
US
|
|
| 89.0.193.24 |
5.91ms from Duesseldorf,
DE
|
|
| 80.2.91.8 |
3.96ms from Erith,
GB
|
|
| 47.90.16.168 |
0.65ms from Hong Kong,
HK
|
|
| 202.125.86.8 |
1.08ms from Melbourne,
AU
|
|
| 188.233.254.136 |
8.78ms from Novosibirsk,
RU
|
|
| 210.136.52.88 |
2.73ms from Osaka,
JP
|
|
| 187.181.40.8 |
7.90ms from Sao Paulo,
BR
|
|
| 115.9.46.216 |
7.36ms from Seoul,
KR
|
|
| 52.187.43.184 |
0.60ms from Singapore,
SG
|
|
| 131.247.113.40 |
1.34ms from Tampa,
US
|
|
| 109.242.60.40 |
16.22ms from Thessaloniki,
GR
|
|
| 119.174.233.40 |
9.74ms from Tokyo,
JP
|
|
| 99.227.41.104 |
4.16ms from Toronto,
CA
|
|
| 34.76.178.8 |
0.15ms from Brussels,
BE
|
|
| 45.241.10.200 |
18.10ms from Cairo,
EG
|
|
| 73.36.60.232 |
5.68ms from Chicago,
US
|
|
| 24.140.130.152 |
6.22ms from Columbus,
US
|
|
| 170.233.254.24 |
9.39ms from Curitiba,
BR
|
|
| 172.13.111.120 |
2.93ms from Dallas,
US
|
|
| 93.209.131.8 |
7.39ms from Frankfurt am Main,
DE
|
|
| 51.142.68.120 |
0.27ms from London,
GB
|
|
| 31.6.96.168 |
15.67ms from Moscow,
RU
|
|
| 71.115.244.216 |
13.12ms from New York City,
US
|
|
| 52.9.64.216 |
0.13ms from San Jose,
US
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Seoul, KR
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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