AS400836 SL Green Realty Corp

SLG-OMA - SL Green Realty Corp · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,970largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,937of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS400836 in ASN lookup Look up an IP in this network (65.51.173.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

65.51.173.0/24

Other ASNs named SL Green Realty Corp

5 other networks use the same organisation name; together with AS400836 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

AS399684OVA-SUMMIT - SL Green Realty Corp US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS400786#17967 PFS - PFS Ltd256

AS400801#17968 BISTATEDEVELOPMENT - Bi-State Development Agency of the Missouri-Illinois Metropolitan District256

AS400827#17969 HCDL-VIRGINIA-DATA-CENTER - H5 Data Centers256

AS400843#17971 AUDACY - Audacy256

AS400845#17972 ASN-ECX - ECXSYSTEMS, LLC256

AS400851#17973 SEPHORA-US-SF - Sephora USA Inc.256

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