$ query “AS17645” --type=asn → 1 result(s)
AS17645 · NTT-SG-AP
NTT Singapore Pte Ltd
AS17645 is run by NTT Singapore Pte Ltd and is a mid-size transit provider, established in Singapore. The system announces a respectable 82 944 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in Singapore.
- #49 by Reach — Top 100 by customer cone size
- #2 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
- June 16, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 12 / 4
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 82 944
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇸🇬 Singapore (165 888 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 3 networks exchanging traffic without transit
- Downstream Customers
- 10 downstreams buying transit
- Degree
- 16 unique BGP neighbors
- Reach
- 39 120 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (12 total)
- 116.51.0.0/16 (65 536 addresses (/16 prefix))
- 58.65.0.0/19 (8 192 addresses (/19 prefix))
- 202.136.160.0/19 (8 192 addresses (/19 prefix))
- 175.28.8.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2402:2c00::/32