203.253.135.0/24
AS1237 · KISTI
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| Country |
South Korea
|
| Domain | kreonet.net |
| ASN | AS1237 |
| Registry | APNIC |
| ID | KREONET |
WHOIS Details
inetnum: 203.253.135.0 - 203.253.135.255 netname: KREONet descr: KISTI country: KR admin-c: IM702-AP tech-c: IM702-AP status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR last-modified: 2025-11-03T07:48:09Z 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: Daejeon Yuseong-gu Daehak-ro 245 country: KR phone: +82-42-869-0707 e-mail: noc@kreonet.net nic-hdl: IM702-AP mnt-by: MNT-KRNIC-AP last-modified: 2022-01-11T12:18:02Z source: APNIC route: 203.253.135.0/24 origin: AS1237 descr: Korea Internet & Security Agency (KISA) Seocho-ro 398, Seocho-gu, Seoul, Korea mnt-by: MNT-KRNIC-AP last-modified: 2025-06-09T05:28:48Z source: APNIC inetnum: 203.253.135.0 - 203.253.135.255 netname: KREONet-KR descr: KISTI country: KR admin-c: IA18-KR tech-c: IM18-KR status: ALLOCATED PORTABLE mnt-by: MNT-KRNIC-AP mnt-irt: IRT-KRNIC-KR 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: Daejeon Yuseong-gu Daehak-ro 245 address: KISTI country: KR phone: +82-42-869-0707 e-mail: noc@kreonet.net nic-hdl: IA18-KR mnt-by: MNT-KRNIC-AP 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: Daejeon Yuseong-gu Daehak-ro 245 address: KISTI country: KR phone: +82-42-869-0707 e-mail: noc@kreonet.net nic-hdl: IM18-KR mnt-by: MNT-KRNIC-AP 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
Nearby Ranges
BGP prefixes that overlap with 203.253.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 203.253.192.0/19 | AS18026 | JEJU NATIONAL UNIVERSITY | 8,192 |
| 203.253.96.0/20 | AS1237 | KISTI | 4,096 |
| 203.253.64.0/20 | AS9572 | Hankuk University of Foreign Studies Computer Center | 4,096 |
| 203.253.80.0/20 | AS9572 | Hankuk University of Foreign Studies Computer Center | 4,096 |
| 203.253.32.0/20 | AS4766 | KONGJU NATIONAL UNIVERSITY | 4,096 |
| 203.253.240.0/21 | AS9637 | Korea Basic Science Institute | 2,048 |
| 203.253.128.0/22 | AS4766 | Korea Telecom | 1,024 |
| 203.253.132.0/23 | AS2385 | KISTI | 512 |
| 203.253.134.0/24 | AS2385 | KISTI | 256 |
| 203.253.236.0/24 | AS1237 | KISTI | 256 |
| 203.253.232.0/24 | AS17576 | National Research Foundation of Korea | 256 |
| 203.253.237.0/24 | AS9275 | Korea Astronomy Observatory | 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 |
|---|---|---|
| 203.253.135.129 |
3.38ms from Incheon,
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 |
|---|---|---|
| 188.191.101.200 |
0.43ms from Ashburn,
US
|
|
| 199.193.100.8 |
4.30ms from Atlanta,
US
|
|
| 201.94.231.104 |
7.86ms from Curitiba,
BR
|
|
| 143.105.104.248 |
12.96ms from Draper,
US
|
|
| 134.238.99.184 |
0.96ms from Frankfurt am Main,
DE
|
|
| 98.116.2.184 |
2.60ms from New York City,
US
|
|
| 46.193.115.216 |
0.89ms from Paris,
FR
|
|
| 203.47.19.136 |
12.15ms from Sydney,
AU
|
|
| 97.99.86.8 |
5.31ms from Dallas,
US
|
|
| 185.161.14.200 |
9.30ms from Madrid,
ES
|
|
| 188.66.70.136 |
2.16ms from Manchester,
GB
|
|
| 79.6.221.184 |
4.28ms from Milan,
IT
|
|
| 35.227.120.88 |
0.13ms from Moncks Corner,
US
|
|
| 35.180.82.8 |
0.15ms from Paris,
FR
|
|
| 96.126.116.72 |
0.16ms from Richardson,
US
|
|
| 177.247.255.136 |
2.86ms from Santiago de Querétaro,
MX
|
|
| 38.123.97.72 |
0.32ms from Dallas,
US
|
|
| 101.37.142.40 |
4.59ms from Hangzhou,
CN
|
|
| 113.234.192.56 |
8.64ms from Liaoyang,
CN
|
|
| 143.198.7.232 |
0.60ms from New York City,
US
|
|
| 107.20.106.72 |
0.21ms from Reston,
US
|
|
| 119.196.219.216 |
1.39ms from Seoul,
KR
|
|
| 114.184.112.120 |
16.82ms from Tokyo,
JP
|
|
| 182.123.217.248 |
6.29ms from Zhengzhou,
CN
|
|
| 43.192.143.232 |
0.53ms from Zhongwei,
CN
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Incheon, 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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