AS200936 Chengjie Guo
IPv4 addresses
0
IPv6 /48 networks
31
RPKI
14 valid2 no ROA
Peers and downstreams
5
Holder
- AS name
- GUO-AS
- Description
- Chengjie Guo's Experimental Network
- Organisation
- Chengjie Guo
- Registered in
- Shanghai, China
- Abuse contact
- abuse@as200936.net
- Assigned
- 2022-12-01
- Registered
- 2022-12-02
- Record last changed
- 2025-12-25 04:22 UTC
None announced.
2a0a:6040:d600::/442a0a:6040:d610::/482a0a:6040:d611::/482a0a:6040:d613::/482a0a:6040:d615::/482a0a:6040:d616::/482a0a:6040:d618::/482a0a:6040:d619::/482a0a:6040:d623::/482a0a:6040:d624::/482a0a:6040:d626::/482a0a:6040:d629::/482a0a:6040:d630::/482a0f:1cc5:1901::/482a0f:1cc5:1902::/482a0f:9400:6110::/48
| AS6939 | Hurricane Electric LLC HURRICANE |
| AS7720 | Skywolf Technology LLC SKYWOLF-AS-AP |
| AS8772 | NetAssist LLC NLineLLC |
| AS20473 | The Constant Company, LLC AS-VULTR |
| AS29632 | Netassist International EOOD NASSIST-AS |
| AS34927 | iFog GmbH iFog-GmbH |
| AS38008 | Aperture Science Limited APERTURE-AS-AP |
| AS44324 | MoeDove LLC MOEDOVE-AS |
| AS53356 | Free Range Cloud Hosting Inc. FREE RANGE CLOUD |
| AS53667 | FranTech Solutions PONYNET |
| AS207108 | AH CLOUD LTD ahcloud |
| AS215467 | Skhron OU Skhron |
None seen.
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade B · 87/100| partly | Prefixes covered by valid ROAs 14 of 16 announced prefixes are RPKI valid, 2 have no ROA. |
22/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 16 IPv6 prefixes. |
15/15 |
| pass | More than one upstream 12 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact abuse@as200936.net is published. |
15/15 |
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| pass | Registry record maintained Last changed 2025-12-25. |
5/5 |
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Markdown
[](https://ip-fd.net/asn/200936)
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Routing changes
Last 30 days| 2026-10-05 12:20 UTC | Neighbour gone | AS215628 | peer |
| 2026-10-05 12:20 UTC | Neighbour gone | AS7721 | peer |
| 2026-10-05 12:20 UTC | New neighbour | AS207705 | peer |
| 2026-10-05 12:20 UTC | New neighbour | AS18041 | peer |
| 2026-10-05 12:20 UTC | New neighbour | AS6939 | upstream |
| 2026-10-05 12:20 UTC | Relationship changed | AS58057 | upstream to peer |
| 2026-10-05 12:20 UTC | Relationship changed | AS393577 | upstream to peer |
| 2026-10-05 12:20 UTC | New neighbour | AS24482 | peer |
| 2026-10-05 12:20 UTC | Prefix gone | 2a0a:6040:d621::/48 | |
| 2026-10-05 12:20 UTC | Prefix gone | 2a0a:6040:d612::/48 | |
| 2026-10-05 12:20 UTC | New prefix | 2a0a:6040:d626::/48 | |
| 2026-10-05 12:20 UTC | New prefix | 2a0f:1cc5:1902::/48 | |
| 2026-10-05 12:20 UTC | New prefix | 2a0a:6040:d630::/48 |
WHOIS
aut-num: AS200936 as-name: GUO-AS descr: Chengjie Guo's Experimental Network org: ORG-CG343-RIPE sponsoring-org: ORG-ML942-RIPE admin-c: CGAD1-RIPE tech-c: CGAD1-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: CHENGJIE-MNT created: 2022-12-02T15:23:54Z last-modified: 2025-12-25T04:22:21Z source: RIPE % 28 routing policy lines (import/export) not shown