Presentació a càrrec d'Arturo Servín, Content Delivery & Interconnection Strategy a Google, celebrada el 20 de novembre de 2020.

1. AS15169 BGP IRR Filtering
2020 Update
October 2020

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What are we doing?
AS15169 is applying BGP filters based on IRR and RPKI
Just a reminder!

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How are we doing this?
● Apply a BGP import filter on our peering sessions using IRR
data
● We use your IRR data from RADB, RIPE, APNIC, AFRINIC, ARIN,
and others!
● We are using your AS-SET defined in peeringdb
● Soon also Origin Validation with RPKI

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Why are we doing this?
Reduce impact of BGP route leaks and hijacks on direct peering sessions

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What has been done so far?
Created a proprietary Route
Information Service
Collected IRR Data
Announced our plan
Signed ~2800 ROAs (~95% of
Google prefixes)
Sent more notifications
Pilot per-ASN filters on a few
peers
Enabled prefix marking
Sent 800+ notifications
Invalid IRR data available in our
portal
2019
2020
Q1 - Q2
2020
Q3 - Q4

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IRR Stats
March July October
Global 86.24 89.12 89.77
APAC 83.33 86.76 87.6
Africa 90.44 93.76 94.4
Europe 90.97 92.94 93.388
LATAM 69.11 76.29 78.36
North
America 82.97 87.38 88.25

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IRR Stats

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When will we start filtering?
Very soon! Early 2021!

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How to Troubleshoot?
See “Invalid IRR” prefixes in the
Google ISP Portal
Monitoring > Routing > BGP

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BGP Prefix details

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Common Issues (No AS-SET Relationship)
First check
“IRR as-set/route-set”
is defined in Peeringdb!

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Common Issues (No Route Object)
Origin AS has ”ROUTE
Object” entry in RIR

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Common Issues (No AS-SET Relationship)
For Transit ISPs
AS-SET has “Member
object” including ASN
of customers

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References
http://support.google.com/interconnect and search for:
● IRR Objects to Peer With Google
● Internet Routing Registries
● IRR Frequently Asked Questions