$ query “AS1887” --type=asn → 1 result(s)
AS1887 — NASK-ACADEMIC
NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
AS1887 is a mid-size transit provider registered to NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT…, established in Poland in 2002. The network announces a respectable 81 920 IPv4 addresses, including a /16. Supports IPv6.
Basic Information
- Country
- 🇵🇱 Poland
- Category
- Government/Public Administration
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 29, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 81 920
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇵🇱 PL (3 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 81 920 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 26 downstream autonomous systems buying transit
- Degree
- 28 unique BGP neighbors (providers + customers + peers)
- Reach
- 26 — customer cone size measuring network influence
- Degree Rank
- #5 245
- Reach Rank
- #2 008
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 148.81.0.0/16 (65 536 addresses)
- 195.187.64.0/18 (16 384 addresses)
IPv6 Prefixes (1 total)
- 2a00:1488::/32