$ query “AS23503” --type=asn → 1 result(s)
AS23503 — CONSTELLATION-ENERGY
Exelon Corporation
AS23503 is an enterprise access provider registered to Exelon Corporation, registered in the United States since 2002. The network announces 4 352 IPv4 addresses. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Business
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- March 29, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 14 / 2
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 4 352
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Geolocated Countries
- 🇺🇸 US (2 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 4 352 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 1 downstream autonomous systems buying transit
- Degree
- 3 unique BGP neighbors (providers + customers + peers)
- Reach
- 1 — customer cone size measuring network influence
- Degree Rank
- #22 304
- Reach Rank
- #8 645
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (14 total)
- 216.99.176.0/20 (4 096 addresses)
- 159.214.87.0/24 (256 addresses)