AT&T to Level 3 routing issue?

Harris Hui harris.hui at hk1.ibm.com
Thu Dec 2 10:33:10 UTC 2010



Hi,

Does anyone using AT&T seeing the routing issue to Level3? We saw some
issue with the end users using AT&T as a service provider having issue to
our upstream provider. Thanks

                                                                                                                                                      
           Tracing route to 74.220.121.100                                                                                                            
           over a maximum of 30 hops:                                                                                                                 
                                                                                                                                                      
           1 1 ms 1 ms 1 ms 9.126.177.132                                                                                                             
           2 5 ms 5 ms 3 ms 9.182.248.14                                                                                                              
           3 4 ms 3 ms 4 ms 9.182.229.20                                                                                                              
           4 6 ms 3 ms 3 ms 9.64.194.210                                                                                                              
           5 9 ms 11 ms 14 ms 9.64.194.253                                                                                                            
           6 38 ms 34 ms 40 ms 9.64.193.214                                                                                                           
           7 40 ms 35 ms 32 ms 9.64.193.179                                                                                                           
           8 32 ms 32 ms 32 ms 9.182.211.22                                                                                                           
           9 34 ms 33 ms 35 ms 9.124.118.4                                                                                                            
           10 33 ms 32 ms 33 ms 122.248.182.2                                                                                                         
           11 241 ms 169 ms 252 ms 122.248.176.50                                                                                                     
           12 32.114.248.9 reports: Destination host unreachable.                                                                                     
                                                                                                                                                      
                                                                                                                                                      
                                                                                                                                                      


NetRange:       32.0.0.0 - 32.255.255.255
CIDR:           32.0.0.0/8
OriginAS:
NetName:        ATT-32-0-0-0-A
NetHandle:      NET-32-0-0-0-1
Parent:
NetType:        Direct Allocation
NameServer:     NS.DE.PRSERV.NET
NameServer:     NS.UK.PRSERV.NET
NameServer:     NS.NL.PRSERV.NET
RegDate:        1990-05-30
Updated:        2009-06-19
Ref:            http://whois.arin.net/rest/net/NET-32-0-0-0-1

OrgName:        AT&T Global Network Services, LLC
OrgId:          ATGS
Address:        3200 Lake Emma Road
City:           Lake Mary
StateProv:      FL
PostalCode:     32746
Country:        US
RegDate:
Updated:        2009-05-04
Ref:            http://whois.arin.net/rest/org/ATGS



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