Autonomous system
AS137995 SHUANGYU-AS-AP Shuangyu Communications Technology Co., Limited
Unclassified APNIC
Interconnection
Peering at a glance
Internet exchanges
Recorded at 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| Hong Kong Internet Exchange | Hong Kong, China | 123.255.92.39 |
Transit providers
8 upstream, 2 downstream and 14 adjacent networks observed; most-used upstreams first.
| AS | Network | Paths seen |
|---|---|---|
| AS136237 | Shuangyu Communication Technology co.,Ltd. | 305 |
| AS6939 | Hurricane Electric LLC | 187 |
| AS20473 | The Constant Company, LLC | 53 |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 | 21 |
| AS174 | Cogent Communications, LLC | 19 |
| AS24482 | SG.GS | 8 |
| AS8359 | MTS PJSC | 1 |
| AS9930 | TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia | 1 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-18, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 4 prefixes · 1.28K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| CN | China | 5 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS137995- Registry name
- SHUANGYU-AS-AP
- Registrant
- Shuangyu Communications Technology Co., Limited
- Abuse contact
- mark@syctnet.com
- Registered
- 2018-07-23
- Last changed
- 2023-09-05
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 13 valid, 0 with no ROA
- ROAs
- 8 authorising AS137995
- ASPA
- no ASPA record
- IRR
- 100% registered · 13 of 13 announcements
- Route objects
- 1,044 naming AS137995
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 443 networks and 1,784 prefixes, as published 2026-10-19. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere