AS27245 — HEIDRICK (HEIDRICK-CHICAGO) | US

addr:  SEARS TOWER, STE 4200, 233 S. WACKER DRIVE, CHICAGO, IL, 60606, US
reg:     US, ARIN, 2003-01-29

Prefixes

1 IPv4 prefixes, 0 IPv6 prefixes
38.98.145.0/24COGENT-A
PSINet, Inc., US38.0.0.0/8        
Show Routing Summary (uu/dd debug)
uu: 174, 7018
u4: 174, 7018
u6: 
dd: 
d4: 
d6:

Peering

2 IPv4 peers, 0 IPv6 peers, 2 upstream, 0 downstream providers, 0 internet exchanges
AS174🔼 upstreamCOGENT-174 Cogent Communications LLC, US
AS7018🔼 upstreamATT-INTERNET4 AT&T Enterprises LLC, US
Routing data used based on daily updated Packet Clearing House » Routing Data » IPv4 Daily Snapshots, the Route Views Archive Project » RIBs and RIPE RIS Raw Data » RIBs.

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