American Registry for Internet Numbers:
https://www.arin.net/
BGP Stream- free resource for receiving alerts about hijacks, leaks, and outages in the Border Gateway Protocol:
https://bgpstream.com
CenturyLink BGP DNS IP Tool:
https://kai04.centurylink.com/PtapRpts/Public/BackboneReport.aspx
Cisco Config Guides:
http://www.cisco.com/c/en/us/support/switches/nexus-7000-series-switches/products-installation-and-configuration-guides-list.html
Cisco Command References:
http://www.cisco.com/c/en/us/support/switches/nexus-7000-series-switches/products-command-reference-list.html
Cisco Feature Navigation (IOS):
http://tools.cisco.com/ITDIT/CFN/jsp/compareImages.jsp
Cisco Tools & Resources:
http://www.cisco.com/c/en/us/support/web/tools-catalog.html
Cisco Voice Codec Bandwidth Calculator (You need a CCO Login):
http://tools.cisco.com/Support/VBC/do/CodecCalc1.do
comScore Rankings:
http://www.comscore.com/Insights/Rankings
F5 BIG-IP software support policy:
https://my.f5.com/manage/s/article/K5903
F5 End of Sale for BIG-IP iSeries:
https://my.f5.com/manage/s/article/K000133583
F5 hardware product lifecycle support policy:
https://my.f5.com/manage/s/article/K4309
Google Tools (DIG):
https://toolbox.googleapps.com/apps/dig/
Hurricane Electric BGP Toolkit:
https://bgp.he.net/
keyCDN Network Tools:
https://tools.keycdn.com/traceroute
Looking Glass Threat Map:
https://map.lookingglasscyber.com/
Microsoft Message Header Analyzer Tool:
https://mha.azurewebsites.net/
NANOG Tutorials:
https://www.nanog.org/resources/tutorials
Norse Cyber Attack Map:
http://map.norsecorp.com
Palo Alto Live Community:
https://live.paloaltonetworks.com/
Palo Alto Product Specs:
https://www.paloaltonetworks.com/products/product-selection#
RIPE IP ASN Info:
https://stat.ripe.net/
Service Name and Port Number Registry:
http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml
Submarine Cable Map:
http://www.submarinecablemap.com/
UCSM CLI Navigator:
http://www.cisco.com/web/techdoc/ucs/reference/tree/b/bnav.html
Wireshark’s OUI Lookup Tool:
https://www.wireshark.org/tools/oui-lookup.html