- AS Info
- Graph v4
- Graph v6
- Prefixes v4
- Prefixes v6
- Peers v4
- Peers v6
- Whois
- IRR
- IX
- Traceroute
Country of Origin:
Internet Exchanges: 2
Prefixes Originated (all): 163
Prefixes Originated (v4): 162
Prefixes Originated (v6): 1
Prefixes Originated (all): 163
Prefixes Originated (v4): 162
Prefixes Originated (v6): 1
Prefixes Announced (all): 163
Prefixes Announced (v4): 162
Prefixes Announced (v6): 1
Prefixes Announced (v4): 162
Prefixes Announced (v6): 1
RPKI Originated Valid (all): 163
RPKI Originated Valid (v4): 162
RPKI Originated Valid (v6): 1
RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0
BGP Peers Observed (all): 1
BGP Peers Observed (v4): 1
BGP Peers Observed (v6): 1
BGP Peers Observed (v4): 1
BGP Peers Observed (v6): 1
IPs Originated (v4): 631,808
AS Paths Observed (v4): 691
AS Paths Observed (v6): 406
AS Paths Observed (v4): 691
AS Paths Observed (v6): 406
Average AS Path Length (all): 4.855
Average AS Path Length (v4): 4.845
Average AS Path Length (v6): 4.872
Average AS Path Length (v4): 4.845
Average AS Path Length (v6): 4.872
AS4721 IPv4 Peers
ASN | Name |
---|---|
AS9824 | JCOM Co., Ltd. |
AS4721 IPv6 Peers
ASN | Name |
---|---|
AS9824 | JCOM Co., Ltd. |
AS4721 IPv4 Peer Count
AS4721 IPv6 Peer Count
AS4721 IPv4 Prefixes Announced
AS4721 IPv6 Prefixes Announced
AS4721 IPv4 Prefixes Originated
AS4721 IPv6 Prefixes Originated
AS4721 IPv4 Route Propagation
AS4721 IPv6 Route Propagation
Prefix | Description |
---|---|
2001:c30::/32 | Japan Network Information Center |
Rank | Description | IPv6 | Peer |
---|---|---|---|
1 | JCOM Co., Ltd. | X | AS9824 |
Rank | Description | IPv4 | Peer |
---|---|---|---|
1 | JCOM Co., Ltd. | X | AS9824 |
as-block: AS4608 - AS4865 descr: APNIC ASN block remarks: These AS numbers are further assigned by APNIC remarks: to APNIC members and end-users in the APNIC region admin-c: HM20-AP tech-c: HM20-AP mnt-by: APNIC-HM mnt-lower: APNIC-HM last-modified: 2019-05-20T03:52:26Z source: APNIC role: APNIC Hostmaster address: 6 Cordelia Street address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: helpdesk@apnic.net admin-c: AMS11-AP tech-c: AH256-AP nic-hdl: HM20-AP remarks: Administrator for APNIC notify: hostmaster@apnic.net mnt-by: MAINT-APNIC-AP last-modified: 2013-10-23T04:06:51Z source: APNIC as-block: AS4683 - AS4735 descr: JPNIC-2Byte-ASBLOCK-AP descr: for assignment to JPNIC members country: JP admin-c: JNIC1-AP tech-c: JNIC1-AP remarks: Authoritative information regarding AS Number remarks: assignments made from within this block can be remarks: queried at whois.nic.ad.jp. remarks: To only display English output, remarks: add '/e' at the end of command, remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'. mnt-by: APNIC-HM mnt-lower: MAINT-JPNIC last-modified: 2023-08-28T04:50:39Z source: APNIC role: Japan Network Information Center address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda address: Chiyoda-ku, Tokyo 101-0047, Japan country: JP phone: +81-3-5297-2311 fax-no: +81-3-5297-2312 e-mail: hostmaster@nic.ad.jp admin-c: JI13-AP tech-c: JE53-AP nic-hdl: JNIC1-AP mnt-by: MAINT-JPNIC last-modified: 2022-01-05T03:04:02Z source: APNIC aut-num: AS4721 as-name: JCN descr: JCOM Co., Ltd. import: export: country: JP admin-c: JP00124485 tech-c: JP00124485 last-modified: 2022-02-18T01:33:18Z source: JPNIC
RADB
aut-num: AS4721
as-name: JCN
descr: J:COM (former JCN)
member-of: AS-JCN
import: from AS-ANY accept ANY AND NOT {0.0.0.0/0}
export: to AS-ANY announce AS-JCN AND NOT {0.0.0.0/0}
admin-c: AS4721 Network Operations
tech-c: AS4721 Network Operations
notify: noc@as4721.net
mnt-by: MAINT-AS9824
changed: radb-notify@jupiter.jcom.co.jp 20150303
source: RADB
last-modified: 2023-11-13T15:47:20Z
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