$ query “AS4557” --type=asn → 1 result(s)
AS4557 — SOUTHEAST-TEXAS-GIGAPOP
Rice University
AS4557 is a mid-size transit provider operated by Rice University, established in the United States in 1995. The network announces 4 096 IPv4 addresses. Supports IPv6.
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇺🇸 United States
- Category
- Education/Research
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- April 14, 1995
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 6 / 1
- IPv6 Prefixes (raw / aggregated)
- 4 / 1
- IPv4 Addresses
- 4 096
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /40
- Geolocated Countries
- 🇺🇸 US (2 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 4 096 total (0.00%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 3 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 13 downstream autonomous systems buying transit
- Degree
- 20 unique BGP neighbors (providers + customers + peers)
- Reach
- 20 — customer cone size measuring network influence
- Degree Rank
- #7 513
- Reach Rank
- #2 267
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (6 total)
- 198.32.224.0/20 (4 096 addresses)
IPv6 Prefixes (4 total)
- 2001:468:1a00::/40