SEECIX route server Informational BGP Communities

The route server will mark all routes with certain BGP Communities to indicate their origin. You can use this information to determine where a certain route has been injected into the SEECIX/DE-CIX switching platform. This gives you the option to filter routes learned from the route servers based on geographical location. 

Currently we tag the following information:

  • Switch: Indicates at which switch a prefix has been injected into the SEECIX/DE-CIX platform. We tag the corresponding edge switch of the port.
    • Example: edge01.ath1
  • Metro: The metropolitan region corresponding to the switch
    • Example: Athens
  • Country: The country corresponding to the above (in M49 format)
    • Example: Greece
  • Continent: The continent corresponding to the above (in M49 format)
    • Example: Europe

This means that every route you will learn from the route servers will have four (additional) BGP Communities (per community class, e.g. each Standard and Large respectively) attached which indicate location information.

To avoid ambiguity about the semantics of a certain BGP Community, especially when being present multiple times, we strip all BGP Communities from the range that we use for route origin tagging on import. This is:

  • Standard Communities
    • 65101:*
    • 65102:*
    • 65103:*
    • 65104:*
  • Large Communities
    • <RS ASN>:1911:*
    • <RS ASN>:1912:*
    • <RS ASN>:1913:*
    • <RS ASN>:1914:*

where <RS ASN> is the corresponding route server ASN at a given IXP.

Overview

ContinentContinent BGP CommunityCountryCountry BGP CommunityMetroMetro BGP CommunitySwitchSwitch BGP Community
Europe EU65104:150
<RS_ASN>:1914:150		Greece GR65103:300
<RS_ASN>:1913:300		ATH (SEECIX)65102:15000
<RS_ASN>:1912:12		edge01.ath165101:15101
<RS_ASN>:1911:101
Germany DE65103:276
<RS ASN>:1913:276

FRA (DE-CIX)

65102:1000
<RS ASN>:1912:0

edge02.fra12

65101:1082
<RS_ASN>:1911:82

edge02.fra2

65101:1089
<RS_ASN>:1911:89
edge02.fra665101:1090
<RS_ASN>:1911:90
edge01.fra1065101:1105
<RS_ASN>:1911:105
edge02.fra965101:1163
<RS_ASN>:1911:163
edge03.fra1265101:1172
<RS_ASN>:1911:172
edge01.fra565101:1179
<RS_ASN>:1911:79
MUC65102:3000
<RS_ASN>:1912:1		edge02.muc165101:3096
<RS_ASN>:1911:96
HAM65102:4000
<RS_ASN>:1912:2		edge03.ham165101:4122
<RS_ASN>:1911:122
DUS65102:9000
<RS_ASN>:1912:9		edge02.dus165101:9093
<RS_ASN>:1911:93
DTM
(Ruhr-CIX)		65102:23000
<RS_ASN>:1912:20		edge01.dtm165101:23115
<RS_ASN>:1911:115
France 🇫🇷65103:250
<RS_ASN>:1913:250		MRS65102:6000
<RS_ASN>:1912:6		edge02.mrs165101:6097
<RS_ASN>:1911:97
Italy 🇮65103:380
<RS_ASN>:1913:380		PMO65102:7000
<RS_ASN>:1912:5		edge02.pmo165101:7180
<RS_ASN>:1911:180
Spain 🇪🇸65103:724
<RS_ASN>:1913:724		MAD65102:11000
<RS_ASN>:1912:10		edge02.mad165101:11077
<RS_ASN>:1911:77
edge02.mad365101:11092
<RS_ASN>:1911:92
edge01.mad465101:11103
<RS_ASN>:1911:103
BCN65102:24000
<RS_ASN>:1912:21		edge01.bcn165101:24116
<RS ASN>:1911:116
Portugal 🇵🇹65103:620
<RS_ASN>:1913:620		LIS65102:12000
<RS_ASN>:1912:11		edge02.lis165101:12138
<RS_ASN>:1911:138
edge01.lis365101:12182
<RS_ASN:1911:182
Americas65104:19
<RS_ASN>:1914:19		United States of America 🇺🇸65103:840
<RS_ASN>:1913:840		NYC65102:2000
<RS_ASN>:1912:4		 edge02.nyc6 65101:2083
<RS_ASN>:1911:83
edge02.nyc565101:2087
<RS_ASN>:1911:87
edge02.nyc165101:2127
<RS_ASN>:1911:127
edge02.nyc865101:2124
<RS_ASN>:1911:124
edge03.nyc365101:2128
<RS_ASN>:1911:128
edge02.nyc1765101:2170
<RS_ASN>:1911:170
Asia65104:142
<RS_ASN>:1914:142		Türkiye 🇹🇷65103:792
<RS_ASN>:1913:792		IST65102:8000
<RS_ASN>:1912:7		edge02.ist165101:8133
<RS_ASN>:1911:133
edge01.ist565101:8139
<RS_ASN>:1911:139
edge02.ist265101:8158
<RS_ASN>:1911:158
Unknown Continent65104:65535
<RS_ASN>:1914:65535		Unknown Country65104:65535
<RS_ASN>:1913:65535		Unknown Metro65102:65535
<RS_ASN>:1912:65535

Unknown Switch

65101:65535
<RS_ASN>:1911:65535

Examples

Example 1

A prefix has the following BGP Communities attached to it:

  • 65104:150
  • 56858:1914:150
  • 65103:300
  • 56858:1913:300
  • 65102:15000
  • 56858:1912:12
  • 65101:3096
  • 56858:1911:101

From these BGP Communities you can deduce that this particular prefix has been injected in Europe (65104:150, 56858:1914:150), Greece (65103:300, 56858:1913:300) in metro region Athens (65102:15000, 56858:1912:12) at edge01.ath1 (65101:15101, 56858:1911:101) at the SEECIX RS (ASN: 56858).
 

Example 2

A prefix has the following BGP Communities attached to it:

  • 65104:150
  • 6695:1914:150
  • 65103:300
  • 6695:1913:300
  • 65102:15000
  • 6695:1912:12
  • 65101:3096
  • 6695:1911:101

From these BGP Communities you can deduce that this particular prefix has been injected in Europe (65104:150, 56858:1914:150), Greece (65103:300, 56858:1913:300) in metro region Athens (65102:15000, 56858:1912:12) at edge01.ath1 (65101:15101, 56858:1911:101) at the GlobePEER Remote Frankfurt RS (ASN: 6695).