AS4181 Peering Policies

Network Route Identification

These BGP communities may be seen on routes sent to customers.

TDS Aggregate Routes 4181:610

These routes are the aggregates of TDS assigned space. Customer routes with direct assignments will not appear with this community

TDS Customer Routes 4181:702 & 4181:703

TDS customer originated routes, or address space directly assigned by a Regional Internet Registry to a TDS customer

TDS Peering Exchanges and Peering Partners 4181:8xx

Routes learned from TDS peering partners

Community Site Exchange/Peer
4181:801 New York NYIIX Peering Exchange
4181:807 New York Netflix
4181:808 New York Google
4181:809 New York Limelight
4181:811 Chicago Equinix Peering Exchange
4181:817 Chicago Netflix
4181:818 Chicago Google
4181:819 Chicago Limelight
4181:821 Atlanta Telx TIE Peering Exchange
4181:827 Atlanta Netflix
4181:828 Atlanta Google
4181:829 Atlanta Limelight
4181:831 Ashburn Equinix Peering Exchange
4181:851 Madison MadIX Peering Exchange
4181:861 Minneapolis MICE Peering Exchange
4181:871 Los Angeles CoreSite Any2 Peering Exchange
4181:877 Los Angeles Netflix
4181:878 Los Angeles Google
4181:879 Los Angeles Limelight
4181:887 Denver Netflix
TDS Transit Providers 4181:9xx

Routes learned from TDS Transit Providers

Community Site Provider
4181:902 New York Level3 AS3356
4181:903 New York NTT America AS2914
4181:912 Chicago Level3 AS3356
4181:913 Chicago NTT America AS2914
4181:922 Atlanta Level3 AS3356
4181:923 Atlanta NTT America AS2914
4181:972 Los Angeles Level3 AS3356
4181:973 Los Angeles NTT America AS2914
4181:982 Denver Level3 AS3356

Customer Route Manipulation

Customers may originate routes with the following community tags applied to modify routing behavior within the TDS network

Local Preference

TDS BGP customers may affect the local preference of their routes within the TDS network by applying the following communities:

Community local-pref Definition
4181:51000 1000 Customer
4181:50900 900 Customer Backup
4181:50850 850 Private Peer
4181:50800 800 Public Peer
4181:50100 100 Transit
4181:50090 90 Customer fallback
Suppression/Prepend

TDS BGP customers may affect the announcement of their routes from TDS to our partners by applying the following communities:

Community Definition
4181:50000 Do not announce outside TDS
4181:50001 Prepend 4181 to all
4181:50002 Prepend 4181 4181 to all
4181:50003 Prepend 4181 4181 4181 to all
4181:57000 Do not announce to TDS customers
4181:57001 Prepend 4181 to TDS customers
4181:57002 Prepend 4181 4181 to TDS customers
4181:57003 Prepend 4181 4181 4181 to TDS customers
4181:58000 Do not announce to any TDS exchange peers
4181:58001 Prepend 4181 to all TDS exchange peers
4181:58002 Prepend 4181 4181 to all TDS exchange peers
4181:58003 Prepend 4181 4181 4181 to all TDS exchange peers
4181:58xx0 Do not announce to peers at specific exchange (replace 8xx with exchange community - example NYIIX is 801 - 4181:58010)
4181:58xx1 Prepend 4181 to peers at specific exchange
4181:58xx2 Prepend 4181 4181 to peers at specific exchange
4181:58xx3 Prepend 4181 4181 4181 to peers at specific exchange
4181:59000 Do not announce to any TDS transit
4181:59001 Prepend 4181 to all TDS transit
4181:59002 Prepend 4181 4181 to all TDS transit
4181:59003 Prepend 4181 4181 4181 to all TDS transit
4181:59xx0 Do not announce to transit provider (replace 9xx with transit provider community - example Level3 New York is 902 - 4181:59020)
4181:59xx1 Prepend 4181 to transit provider
4181:59xx2 Prepend 4181 4181 to transit provider
4181:59xx3 Prepend 4181 4181 4181 to transit provider

Contact Information

Customers wishing to contact TDS for support of their existing service should use the Help and Support site for making these reports.

Requests for new service or sales inquires should be directed to your local salesperson. Contact TDS Business for local salesperson contact information.