AS207550 — OCLAYER OCLAYER LIMITED

AS207550 announces 18 IPv4 prefixes covering 12,288 addresses and 0 IPv6 prefixes.

About this network

OCLAYER is operated by Oclayer Limited.

What it's used for

• The address space carries mobile and leased infrastructure, evidenced by netnames LTE-MOBILE and NGNNET, and reverse DNS entries pointing to telecom.tw (e.g., 187-79-210-0.TW-TTT.telecom.tw).
• The AS announces 34,816 IPv4 addresses across 109 prefixes, with only 4 observed neighbours, indicating an access or eyeball network role rather than transit.
• Traffic from this AS consists of mobile subscriber data and leased bandwidth from third-party providers, including NTT America and Chinese carriers.

Notable

• Registrants for the largest prefixes include TWNIC ROLE-SDCL-TW for LTE-MOBILE blocks, NTT America, Inc. for NTTA-206-184 and NTTA-199-236, and IRT-NGNNET-CN for NGNNET blocks, indicating the AS aggregates space from multiple upstream or partner networks.
• The inventory is a mix of /21, /22, and /23 blocks, with the largest being 187.79.208.0/21, and all announced blocks are located in Hong Kong.

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

Announced prefixes

• 112.196.214.0/24
• 187.79.194.0/23
• 187.79.196.0/22
• 187.79.201.0/24
• 187.79.202.0/23
• 187.79.204.0/22
• 187.79.208.0/20
• 192.204.89.0/24
• 199.237.83.0/24
• 199.237.85.0/24
• 199.237.86.0/23
• 199.237.89.0/24
• 199.237.90.0/23
• 199.237.92.0/24
• 199.237.107.0/24
• 206.184.20.0/22
• 207.152.106.0/23
• 207.198.132.0/23

Upstream networks

• AS134823 Sky Digital Co., Ltd.
• AS21859 Zenlayer Inc
• AS17497 Liasail Global Hongkong Limited

Adjacent networks

• AS134823 Sky Digital Co., Ltd.
• AS21859 Zenlayer Inc
• AS17497 Liasail Global Hongkong Limited

Routing security

• RPKI: 55 valid, 0 invalid and 0 not-found announcements; 88 ROAs.
• ASPA: none published.
• IRR: 33% of announcements registered; 85 route objects.
• Listed in as-sets: AS-148996, AS-4IXP, AS-4IXP-RS, AS-4IXPV6, AS-DREAMLINE, AS-E1-AUTOMATION-CUSTOMER, AS-HINET, AS-HYTRON, AS-HYTRON, AS-HYTRONNETWORK, AS-MISAKA-CUSTOMERS2, AS-STORMWALL-SET, AS-STORMWALL-SET, AS-TELSTRA-INTL-CUSTOMERS, AS-ZENLAYER, AS-ZENLAYER-LAXCN, AS134823:AS-IPT, AS148996:AS-CONE, AS17433:AS-HYTRON, AS17433:AS-HYTRON, AS17497:AS-TRANSIT, AS202662:AS-HYTRON, AS207550:AS-ALL, AS58453:AS-AMERICAASCUST, AS58453:AS-AMERICAASCUST.