ripe
2026-07-13T14:17:33Z
1
6
256
4,296,146,944
| CIDR | Description | IP Num |
|---|---|---|
44.30.120.0/24
|
Amateur Radio Digital Communications | 256 |
| CIDR | Description | IP NUMs(prefix /64) |
|---|---|---|
|
2404:f4c0:f000::/44
|
TWD2-NET TWD2 Education and Research Network | 1048576 |
2404:f4c0:f001::/48
|
TWD2-NET TWD2 Education and Research Network | 65536 |
|
2404:f4c0:f002::/48
|
TWD2-NET TWD2 Education and Research Network | 65536 |
|
2a05:1085::/32
|
Wende Tan | 4294967296 |
2a0c:b641:570::/48
|
Wende Tan | 65536 |
|
2a0c:b641:573::/48
|
Wende Tan | 65536 |
| AS | Description | Country / Region | IPv4 NUMs | IPv6 NUMs | IPv4 | IPv6 |
|---|---|---|---|---|---|---|
| AS29632 | NASSIST-AS - Netassist International EOOD, BG |
|
9,216 | 262,144 |  |
IPv6  |
| AS38255 | FITI-AS-AP - China Education and Research Network (CERNET), CN |
|
2,048 | 4,296,081,408 | |
IPv6 |
| AS45576 | CERNET2-TSINGHUA6-AS-AP - Tsinghua University, CN |
|
0 | 4,295,098,368 | |
IPv6 |
| AS142650 | China Education and Research Network (CERNET), CN |
|
0 | 4,294,967,296 | |
IPv6 |
| AS20473 | AS-VULTR - The Constant Company, LLC, US |
|
1,470,976 | 473,807,257,600 | IPv4 |
IPv6 |
| AS212683 | OLILO-AS - Olilo UK & Ireland Ltd, GB |
|
11,776 | 8,589,934,592 | IPv4 |
IPv6 |
| AS8772 | NLineLLC - NetAssist LLC, UA |
|
15,872 | 1,065,152,020,480 | |
IPv6 |
| Country / Region | IX | IPv4 | IPv6 | Port Speed | Updated |
|---|---|---|---|---|---|
| |
EVIX - Experimental Virtual Internet Exchange | 206.81.104.145 | 2602:fed2:fff:ffff::145 | 100 Mbps | 2026-03-26 17:49:35 |
 |
4b42 Internet Exchange Point - 4b42 Internet Exchange Point | 100 Mbps | 2024-04-24 17:44:37 |
| Country / Region | Name | City | Website | Updated |
|---|
| as-block | |
|---|---|
| descr | RIPE NCC ASN block |
| remarks | These AS Numbers are assigned to network operators in the RIPE NCC service region. |
| mnt-by | RIPE-NCC-HM-MNT |
| created | 2026-07-13T14:17:33Z |
| last-modified | 2026-07-13T14:17:33Z |
| source | RIPE |
| aut-num | |
|---|---|
| as-name | TWD2-NET |
| descr | TWD2 Education and Research Network London, United Kingdom |
| org | ORG-WT43-RIPE |
| import | from AS6939 accept ANY from AS20473 accept ANY from AS212683 accept ANY from AS4842 accept ANY from AS24239 accept ANY |
| export | to AS24239 announce ANY |
| mp-import | afi ipv6.unicast from AS29632 accept ANY |
| mp-export | |
| admin-c | WTNN1-RIPE |
| tech-c | WTNN1-RIPE |
| abuse-c | WTNN1-RIPE |
| status | ASSIGNED |
| mnt-by | RIPE-NCC-END-MNT twd2-mnt |
| created | 2019-03-01T12:14:34Z |
| last-modified | 2026-04-30T17:20:55Z |
| source | RIPE |
| sponsoring-org | ORG-CR158-RIPE |
| organisation | ORG-WT43-RIPE |
|---|---|
| org-name | Wende Tan |
| country | CN |
| reg-nr | Not Applicable |
| org-type | OTHER |
| address | Department of Computing Imperial College London Huxley Building 180 Queen's Gate, London, SW7 2RH UNITED KINGDOM |
twd2.me@gmail.com twd2@163.com |
|
| abuse-c | WTNN1-RIPE |
| admin-c | WTNN1-RIPE |
| tech-c | WTNN1-RIPE |
| mnt-ref | twd2-mnt |
| mnt-by | twd2-mnt |
| created | 2019-02-23T16:24:54Z |
| last-modified | 2026-05-13T05:33:31Z |
| source | RIPE |
| role | TWD2 Education and Research Network NOC |
|---|---|
| address | Department of Computing Imperial College London Huxley Building 180 Queen's Gate, London, SW7 2RH UNITED KINGDOM |
twd2.me@gmail.com twd2@163.com |
|
| nic-hdl | WTNN1-RIPE |
| abuse-mailbox | twd2.me+abuse@gmail.com |
| mnt-by | twd2-mnt |
| created | 2019-02-23T16:18:42Z |
| last-modified | 2025-04-14T20:50:58Z |
| source | RIPE |
as-block: AS208885 - AS214345 descr: RIPE NCC ASN block remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region. mnt-by: RIPE-NCC-HM-MNT created: 2026-07-13T14:17:33Z last-modified: 2026-07-13T14:17:33Z source: RIPE aut-num: AS209300 as-name: TWD2-NET descr: TWD2 Education and Research Network descr: London, United Kingdom org: ORG-WT43-RIPE import: from AS6939 accept ANY export: to AS6939 announce AS209300:AS-CUSTOMERS import: from AS20473 accept ANY export: to AS20473 announce AS209300:AS-CUSTOMERS import: from AS212683 accept ANY export: to AS212683 announce AS209300:AS-CUSTOMERS import: from AS4842 accept ANY export: to AS4842 announce AS209300:AS-CUSTOMERS import: from AS209306 accept AS209306 export: to AS209306 announce AS209300:AS-CUSTOMERS import: from AS24239 accept ANY export: to AS24239 announce ANY mp-import: afi ipv6.unicast from AS29632 accept ANY mp-export: afi ipv6.unicast to AS29632 announce AS209300:AS-CUSTOMERS admin-c: WTNN1-RIPE tech-c: WTNN1-RIPE abuse-c: WTNN1-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: twd2-mnt created: 2019-03-01T12:14:34Z last-modified: 2026-04-30T17:20:55Z source: RIPE sponsoring-org: ORG-CR158-RIPE organisation: ORG-WT43-RIPE org-name: Wende Tan country: CN reg-nr: Not Applicable org-type: OTHER address: Department of Computing address: Imperial College London address: Huxley Building address: 180 Queen's Gate, London, SW7 2RH address: UNITED KINGDOM e-mail: twd2.me@gmail.com e-mail: twd2@163.com abuse-c: WTNN1-RIPE admin-c: WTNN1-RIPE tech-c: WTNN1-RIPE mnt-ref: twd2-mnt mnt-by: twd2-mnt created: 2019-02-23T16:24:54Z last-modified: 2026-05-13T05:33:31Z source: RIPE role: TWD2 Education and Research Network NOC address: Department of Computing address: Imperial College London address: Huxley Building address: 180 Queen's Gate, London, SW7 2RH address: UNITED KINGDOM e-mail: twd2.me@gmail.com e-mail: twd2@163.com nic-hdl: WTNN1-RIPE abuse-mailbox: twd2.me+abuse@gmail.com mnt-by: twd2-mnt created: 2019-02-23T16:18:42Z last-modified: 2025-04-14T20:50:58Z source: RIPE