$ query “AS18106” --type=asn → 1 result(s)

AS18106 — VIEWQWEST-SG-AP

Viewqwest Pte Ltd

AS18106 is a mid-size transit provider run by Viewqwest Pte Ltd, registered in Singapore. The network announces a respectable 53 248 IPv4 addresses. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #45 by Degree — Top 100 by unique BGP neighbor count
  • #7 in Singapore — Top 10 by reach within country

Basic Information

Country
🇸🇬 Singapore
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
27 / 21
IPv6 Prefixes (raw / aggregated)
4 / 4
IPv4 Addresses
53 248
Largest IPv4 Prefix
/18 (16 384 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇸🇬 SG (26 IPs), 🇲🇾 MY (4 IPs), 🇺🇸 US (3 IPs), 🇭🇰 HK, 🇮🇩 ID, 🇹🇼 TW, 🇵🇭 PH
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 53 248 total (0.00%)

Connectivity Summary

Upstream Providers
15 upstream autonomous systems providing transit
Peers
2 129 autonomous systems exchanging traffic without transit fees
Downstream Customers
20 downstream autonomous systems buying transit
Degree
2 169 unique BGP neighbors (providers + customers + peers)
Reach
4 755 — customer cone size measuring network influence
Degree Rank
#45
Reach Rank
#558
Country Rank
#7

Upstream Providers (15)

  • AS6939 — HURRICANE
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS9304 — HUTCHISON-AS-AP
  • AS52025 — PARADOXNETWORKS-LIMITED
  • AS4637 — ASN-TELSTRA-GLOBAL
  • AS4657 — STARHUB-INTERNET
  • AS9299 — IPG-AS-AP
  • AS23947 — MORATELINDONAP-AS-ID
  • AS6774 — ASN-BICS
  • and 5 more

Prefix Lists

IPv4 Prefixes (27 total)

  • 132.147.64.0/18 (16 384 addresses)
  • 202.55.64.0/19 (8 192 addresses)
  • 202.73.32.0/19 (8 192 addresses)
  • 195.133.128.0/20 (4 096 addresses)
  • 202.83.96.0/20 (4 096 addresses)
  • 43.230.96.0/22 (1 024 addresses)
  • 45.121.84.0/22 (1 024 addresses)
  • 103.4.196.0/22 (1 024 addresses)
  • 103.7.68.0/22 (1 024 addresses)
  • 103.26.220.0/22 (1 024 addresses)
  • 103.60.60.0/22 (1 024 addresses)
  • 103.208.176.0/22 (1 024 addresses)
  • 103.247.108.0/22 (1 024 addresses)
  • 137.59.184.0/22 (1 024 addresses)
  • 162.246.200.0/22 (1 024 addresses)
  • 185.5.132.0/23 (512 addresses)
  • 206.166.202.0/23 (512 addresses)
  • 163.47.89.0/24 (256 addresses)
  • 223.27.137.0/24 (256 addresses)
  • 223.27.138.0/24 (256 addresses)
  • 223.27.140.0/24 (256 addresses)

IPv6 Prefixes (4 total)

  • 2001:d98::/32
  • 2402:7480::/32
  • 2404:4280::/32
  • 2602:ff4b::/36