31.10.56.0/21
AS42908 · ORIGINAL AS CZ-NORDICTELECOMREGIONAL
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WHOIS Details
inetnum: 31.10.56.0 - 31.10.63.255 netname: CZ-CZNET-20110414 country: CZ org: ORG-STaN1-RIPE admin-c: VAKO1-RIPE tech-c: CZO2-RIPE status: ALLOCATED PA mnt-by: AS5610-MTN mnt-by: RIPE-NCC-HM-MNT created: 2025-04-01T07:33:39Z last-modified: 2025-04-01T07:33:39Z source: RIPE abuse-email: abuse@o2.cz abuse-c: AR14410-RIPE abuse-org: ORG-STaN1-RIPE organisation: ORG-STaN1-RIPE org-name: O2 Czech Republic, a.s. country: CZ org-type: LIR address: Za Brumlovkou 266/2 address: 140 22 address: Praha 4 - Michle address: CZECH REPUBLIC phone: +420 2 71466184 fax-no: +420 2 71464414 e-mail: marek.vogel@o2.cz admin-c: VAKO1-RIPE admin-c: MV96-RIPE admin-c: HVJI1-RIPE tech-c: CZO2-RIPE abuse-c: AR14410-RIPE mnt-ref: RIPE-NCC-HM-MNT mnt-ref: AS5610-MTN mnt-by: RIPE-NCC-HM-MNT mnt-by: AS5610-MTN created: 2004-04-17T11:04:17Z last-modified: 2020-12-16T12:31:56Z source: RIPE abuse-email: abuse@o2.cz abuse-c: AR14410-RIPE abuse-org: undefined role: 5610-Tech-and-Admin address: Za Brumlovkou 266/2 address: Praha 4 - Michle, PSC 140 22 e-mail: router@o2.cz nic-hdl: CZO2-RIPE admin-c: VAKO1-RIPE admin-c: MV96-RIPE admin-c: HVJI1-RIPE tech-c: VAKO1-RIPE tech-c: HVJI1-RIPE abuse-mailbox: abuse@o2.cz org: ORG-STaN1-RIPE mnt-by: AS5610-MTN created: 2016-02-18T09:58:30Z last-modified: 2018-04-20T10:44:21Z source: RIPE person: Vaclav Kordula address: O2 Czech Republic, a.s. address: Za Brumlovkou 266/2 address: Praha 4 - Michle, PS? 140 22 address: Czech Republic phone: +420 2 714668845 e-mail: vaclav.kordula@o2.cz nic-hdl: VAKO1-RIPE notify: vaclav.kordula@o2.cz mnt-by: AS5610-MTN created: 1970-01-01T00:00:00Z last-modified: 2016-02-12T13:32:30Z source: RIPE route: 31.10.56.0/21 origin: AS42908 mnt-by: mnt-nordictelecom mnt-by: AS5610-MTN created: 2024-12-09T16:35:11Z last-modified: 2025-04-01T10:30:30Z source: RIPE
Nearby Ranges
BGP prefixes that overlap with 31.10.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 31.10.128.0/17 | AS6830 | Sunrise GmbH | 32,768 |
| 31.10.64.0/18 | AS35271 | JSC AVIEL | 16,384 |
| 31.10.192.0/18 | AS6830 | Sunrise GmbH | 16,384 |
| 31.10.128.0/18 | AS6830 | DHCP Scopes - AFTR | 16,384 |
| 31.10.32.0/20 | AS42004 | VOIP-UN LIMITED | 4,096 |
| 31.10.16.0/20 | AS56653 | TV-COM AG | 4,096 |
| 31.10.8.0/21 | AS35140 | JSC RACE TELECOM | 2,048 |
| 31.10.48.0/21 | AS5396 | Retelit Digital Services S.p.A. | 2,048 |
| 31.10.4.0/24 | AS47151 | JSC ER-Telecom Holding | 256 |
| 31.10.6.0/24 | AS211933 | O2 Cloud LLC | 256 |
| 31.10.2.0/24 | AS47151 | JSC ER-Telecom Holding | 256 |
| 31.10.15.0/24 | AS34709 | ALTEGROSKY-STATIC-NAT | 256 |
| 31.10.5.0/24 | AS207728 | Hosting Provider EuroHoster Ltd. | 256 |
| 31.10.14.0/24 | AS34709 | JSC RACE TELECOM | 256 |
Hosted domains
There are 17 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 31.10.63.94 | schield.eu | 12 |
| 31.10.57.10 | chajdazlatak.cz | 3 |
| 31.10.62.62 | lambersky.com | 2 |
Hosted domains API
Pingable IPs
479 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 31.10.56.77 | 0.83ms from Prague, CZ | |
| 31.10.60.117 | 5.36ms from Prague, CZ | |
| 31.10.59.241 | 5.39ms from Prague, CZ | |
| 31.10.57.50 | 5.38ms from Prague, CZ | |
| 31.10.61.247 | 5.34ms from Prague, CZ | |
| 31.10.58.189 | 0.83ms from Prague, CZ | |
| 31.10.62.251 | 5.55ms from Prague, CZ | |
| 31.10.63.87 | 5.39ms from Prague, CZ |
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 |
|---|---|---|
| 105.102.43.53 | 10.93ms from Algiers, DZ | |
| 166.170.17.85 | 1.66ms from Atlanta, US | |
| 174.177.70.37 | 17.90ms from Atlanta, US | |
| 73.149.202.69 | 7.54ms from Boston, US | |
| 156.203.54.85 | 4.37ms from Cairo, EG | |
| 14.99.173.37 | 1.61ms from Chennai, IN | |
| 62.242.63.181 | 2.82ms from Copenhagen, DK | |
| 186.15.188.69 | 1.15ms from Curridabat, CR | |
| 198.232.118.85 | 0.40ms from Kansas City, US | |
| 216.40.52.5 | 0.27ms from London, GB | |
| 83.104.151.85 | 8.04ms from London, GB | |
| 213.134.56.245 | 0.38ms from Madrid, ES | |
| 70.49.66.133 | 3.38ms from Montreal, CA | |
| 181.177.68.37 | 0.87ms from New York City, US | |
| 188.130.66.229 | 1.31ms from Paris, FR | |
| 81.210.63.229 | 5.94ms from Poznan, PL | |
| 177.138.203.245 | 15.54ms from Sao Paulo, BR | |
| 23.49.141.85 | 2.90ms from Seattle, US | |
| 50.231.92.245 | 0.98ms from Seattle, US | |
| 221.12.125.245 | 3.68ms from Shanghai, CN | |
| 87.62.204.165 | 2.13ms from Skanderborg, DK | |
| 60.231.162.165 | 0.77ms from Sydney, AU | |
| 36.227.144.101 | 2.00ms from Taipei, TW | |
| 120.75.204.69 | 5.03ms from Tokyo, JP | |
| 99.252.249.213 | 4.07ms from Toronto, CA |
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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