$ query “AS21837” --type=asn → 1 result(s)
AS21837 · OPERASOFTWARE
Opera Software Americas LLC
AS21837 is run by Opera Software Americas LLC and is an enterprise access provider, registered in the United States since 2013. The system announces 5 888 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Business
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 04, 2013
- Last Changed
- October 01, 2026
- Last Seen
- October 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 10 / 8
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 5 888
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇺🇸 United States (5 888 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Downstream Customers
- 1 downstream buying transit
- Degree
- 4 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (10 total)
- 107.167.104.0/21 (2 048 addresses (/21 prefix))
- 107.167.96.0/22 (1 024 addresses (/22 prefix))
- 107.167.116.0/22 (1 024 addresses (/22 prefix))
- 107.167.102.0/23 (512 addresses (/23 prefix))
- 107.167.122.0/23 (512 addresses (/23 prefix))
- 107.167.100.0/24 (256 addresses (/24 prefix))
- 107.167.125.0/24 (256 addresses (/24 prefix))
- 107.167.126.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2620:117:c000::/48
- 2620:117:c004::/48