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Update README.md
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README.md
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README.md
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@ -19,28 +19,13 @@ IPv4 and IPv6 subnets (e.g. 100.2.30.0/22) organized by announcing autonomous sy
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}
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```
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Additionally, a list of autonomous systems with their AS number (ASN), AS name and description is provided in the ```as.csv``` file:
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```
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asn,handle,description
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0,IANA-RSVD,"Internet Assigned Numbers Authority"
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1,LVLT,"Level 3 Parent, LLC"
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2,UDEL-DCN,"University of Delaware"
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3,MIT-GATEWAYS,"Massachusetts Institute of Technology"
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4,ISI,"University of Southern California"
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5,SYMBOLICS,"WFA Group LLC"
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6,BULL-HN,"ATOS IT Solutions and Services, Inc."
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7,DSTL,"The Defence Science and Technology Laboratory"
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.
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.
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.
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```
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For a list of autonomous systems with their AS number (ASN) see https://github.com/ipverse/asn-info
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This repository is updated daily.
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## Use cases
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- Firewalling, e.g. to ban all IP addresses from that notorious, Spam-friendly network provider
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- Route advertisment check, see if/how the routes of a specific autonomous system are seen (even over time, thanks to Git's changelog)
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- Find out more about a specific ASN (autonomous system number) using the provided lookup table (currently .csv format only) or use it in your own software project for bulk/offline use
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- Statistical analysis purposes, e.g. the number of public IPv4 addresses currently announced vs unused/unassigned
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- OSINT/CTI Cyber Threat Intelligence
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@ -56,7 +41,7 @@ The data (IPv4 + IPv4 combined) is available in JSON format as well:
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```$ curl https://raw.githubusercontent.com/ipverse/asn-ip/master/as/1234/aggregated.json```
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To download the latest autonomous system lookup table used to enhance the generated route data:
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```$ curl https://raw.githubusercontent.com/ipverse/asn-ip/master/as.csv```
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```$ curl https://raw.githubusercontent.com/ipverse/asn-info/master/as.csv```
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If you plan to use the routing data for firewalling purposes, have a look at:
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