AS63897 — vocom-tw - vocom international telecom

AS63897 announces 9 IPv4 prefixes covering 3,072 addresses and 1 IPv6 prefixes.

About this network

VOCOM-TW is operated by VOCOM International Telecommunications, Inc.

What it's used for

• The address space carries mixed enterprise and leased infrastructure, evidenced by netnames VOCOM, STW, COGENT-A, PLTPTW, SIANGYU, and CJME.
• The AS announces 3072 IPv4 addresses across 9 prefixes and 1 IPv6 prefix, with 7 observed neighbours, indicating a role focused on enterprise connectivity and transit rather than mass residential access.
• As a facilities-based provider licensed by the U.S. FCC, the traffic consists of enterprise customer connections, international voice, and data services for business clients.

Notable

• Registrants vary significantly across prefixes, including IRT-VOCOM-TW, IRT-STW-TW, Cogent Communications, LLC, Abuse-C Role, IRT-SIANGYU-TW, and IRT-CJME-TW, reflecting a portfolio of owned and leased address space.
• The inventory includes prefixes originally registered to Cogent Communications, LLC, suggesting historical acquisition or long-term leasing of IP blocks.
• The address inventory is fragmented across multiple /23 and /24 blocks, with a single /32 IPv6 prefix, typical of an operator assembling capacity from various sources.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 38.70.74.0/24
• 38.150.70.0/24
• 45.87.55.0/24
• 103.127.236.0/23
• 103.127.239.0/24
• 103.175.254.0/24
• 103.178.36.0/23
• 157.20.199.0/24
• 161.248.160.0/23
• 2400:4460::/32

Upstream networks

• AS9002 RETN Limited
• AS45250 Vocom International Telecommunications AP Area
• AS4780 Digital United Inc.
• AS24482 SG.GS
• AS10133 Chief Telecom Inc.

Downstream networks

• AS135391 AOFEI DATA INTERNATIONAL COMPANY LIMITED
• AS153891 CloudSIM Corporation Ltd.
• AS45250 Vocom International Telecommunications AP Area

Adjacent networks

• AS9002 RETN Limited
• AS45250 Vocom International Telecommunications AP Area
• AS4780 Digital United Inc.
• AS135391 AOFEI DATA INTERNATIONAL COMPANY LIMITED
• AS153891 CloudSIM Corporation Ltd.
• AS24482 SG.GS
• AS10133 Chief Telecom Inc.

Routing security

• RPKI: 10 valid, 0 invalid and 3 not-found announcements; 11 ROAs.
• ASPA: none published.
• IRR: 92% of announcements registered; 15 route objects.
• Listed in as-sets: AS-140570, AS-63529-AS-IMPORT-AS9505, AS-KDDCUSTOMER2, AS-RETN-ACTUAL-V4, AS-SEEDNET, AS-TPIX-2002, AS-TWIG, AS136491:AS-CMI, AS140570:AS-HKBEECLOUD, AS45250:AS-BEECLOUD, AS45250:AS-COGENT, AS45250:AS-HKIX, AS45250:AS-HKIX, AS63529:AS-63529-AS-IMPORT-AS9505, AS63897:AS-CONE, AS63897:AS-RETN.

Internet exchanges

• Taipei Internet Exchange (TPIX) — Taipei, Taiwan