AS399684 SL Green Realty Corp

OVA-SUMMIT - SL Green Realty Corp · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,743largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,682of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS399684 in ASN lookup Look up an IP in this network (65.51.231.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

65.51.231.0/24

Other ASNs named SL Green Realty Corp

5 other networks use the same organisation name; together with AS399684 they announce 1,536 IPv4 addresses.

ASNNameIPv4 addresses

AS398499OVA-HQ - SL Green Realty Corp US256

AS27457SLG-2 - SL Green Realty Corp US256

AS46152SLG - SL Green Realty Corp US256

AS399208OVA-BASE-BLDG - SL Green Realty Corp US256

AS400836SLG-OMA - SL Green Realty Corp US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS399665#17740 ZOLL-BROOMFIELD - ZOLL Medical Corporation256

AS399669#17741 FR-CORP-USS-SURF - Forest River, Inc.256

AS399681#17742 SARNOVA-DC-ASN01 - SARNOVA, INC.256

AS399691#17744 MAJCS-CCOM - Washington County Consolidated Communications Agency256

AS399692#17745 TCAD - Travis Central Appraisal District256

AS399695#17746 MARSHALL-COUNTY-01 - Marshall County256

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