$ query “AS9211” --type=asn → 1 result(s)
AS9211 — WORK-AS
Nawork Internet Informationssysteme GmbH
AS9211 is a mid-size transit provider run by Nawork Internet Informationssysteme GmbH, established in Germany in 2002. The network announces a respectable 22 784 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇩🇪 Germany
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 18, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 18 / 17
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 22 784
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇩🇪 DE (31 IPs), 🇬🇧 GB (1 IPs), 🇨🇭 CH (1 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 22 784 total (0.00%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 80 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 13 downstream autonomous systems buying transit
- Degree
- 100 unique BGP neighbors (providers + customers + peers)
- Reach
- 19 — customer cone size measuring network influence
- Degree Rank
- #1 513
- Reach Rank
- #2 326
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (18 total)
- 87.253.160.0/20 (4 096 addresses)
- 212.12.32.0/20 (4 096 addresses)
- 213.238.32.0/20 (4 096 addresses)
- 31.24.96.0/21 (2 048 addresses)
- 212.12.56.0/21 (2 048 addresses)
- 193.102.240.0/22 (1 024 addresses)
- 195.242.100.0/22 (1 024 addresses)
- 213.238.52.0/22 (1 024 addresses)
- 87.253.190.0/23 (512 addresses)
- 193.28.52.0/23 (512 addresses)
- 194.76.62.0/23 (512 addresses)
- 213.238.50.0/23 (512 addresses)
- 192.104.77.0/24 (256 addresses)
- 193.194.129.0/24 (256 addresses)
- 194.49.7.0/24 (256 addresses)
- 194.59.4.0/24 (256 addresses)
- 194.156.189.0/24 (256 addresses)
IPv6 Prefixes (2 total)
- 2a00:ea8::/32
- 2a00:eab::/32