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AS18630
AS18630 The Ridley School District
RIDLEYSD-NET - The Ridley School District · registered in the United States
IPv4 addresses 2,560 2 prefixes · <0.001% of announced IPv4
Rank in United States #5,638 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #20,025 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 2 prefixes, in address order.
198.244.0.0/21 198.244.8.0/23
Similar-sized networks in United States
ASN Name IPv4 addresses
AS17030 #5635 DULUTH - PRIMERICA LIFE INSURANCE COMPANY2,560
AS18491 #5636 VTLA - NTT Global Networks Incorporated2,560
AS18625 #5637 DIO-6464 - Data I/O Corporation2,560
AS18757 #5639 TYCOIS - ADT Security Services, Inc.2,560
AS18776 #5640 VALASSIS - Valassis Communications, Inc.2,560
AS18874 #5641 MAXAR-ASN - Vantor Parent Inc.2,560
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources