Subject: Fwd: Request for IT
From: Parvez Alam <[email-masked]>
To: Ashish Dabral <[email-masked]>
Date: Mon, 6 Jan 2020 05:10:55 -0700 (MST)

Kind Regards 
Parvez Khan 

From: "Robert cosgrove" <[email-masked]> 
To: "saurabh" <[email-masked]> 
Cc: "Parvez Alam" <[email-masked]> 
Sent: Monday, 6 January, 2020 17:30:53 
Subject: FW: Request for IT 

Hi Saurabh, 

Can you ask your IT guys to confirm the IP addresses below are what you have whitelisted? 

Thanks 

Rob 

From: Aine Barry 
Sent: Monday 6 January 2020 10:24 
To: Robert Cosgrove <[email-masked]>; Brian Sexton <[email-masked]>; Meghan Flanagan <[email-masked]> 
Cc: Customer Service Tech Team <[email-masked]> 
Subject: Re: Request for IT 

Hi all, 

Can you please let us know when this information has been passed on to the IT department? 

Kind regards, 

Aine 

From: Aine Barry < [ mailto:[email-masked] | [email-masked] ] > 
Sent: 03 January 2020 12:33 
To: Robert Cosgrove < [ mailto:[email-masked] | [email-masked] ] >; Brian Sexton < [ mailto:[email-masked] | [email-masked] ] >; Meghan Flanagan < [ mailto:[email-masked] | [email-masked] ] > 
Cc: Customer Service Tech Team < [ mailto:[email-masked] | [email-masked] ] > 
Subject: Request for IT 

Hi all, 

Could you please forward this information to the IT team in the India office. 

We've been trying to diagnose an issue where agents extensions are not able to properly connect to twilio (issues making outbound calls and receiving inbound calls). When looking into these issues, there is a pattern occuring where the calls were routed through twilio's US servers and the call goes to agents in your office. Could you please confirm that the IP addresses listed below have been whitelisted? Pay special attention to the range listed under us1. It could well be there is a digit off somewhere that has just meant that one or two IP addresses have not been whitelisted. 

	

Region ID 	

Location 	

Media Server IP Address Range 	

CIDR notation 

au1 	

Australia 	

54.252.254.64 - 54.252.254.127, 3.104.90.0 - 3.104.90.255 	

54.252.254.64/26, 3.104.90.0/24 

br1 	

Brazil 	

177.71.206.192 - 177.71.206.255, 18.228.249.0 - 18.228.249.255 	

177.71.206.192/26, 18.228.249.0/24 

ie1 	

Ireland 	

54.171.127.192 - 54.171.127.255, 52.215.127.0 - 52.215.127.255 	

54.171.127.192/26, 52.215.127.0/24 

de1 	

Frankfurt 	

35.156.191.128 - 35.156.191.255, 3.122.181.0 - 3.122.181.255 	

35.156.191.128/25, 3.122.181.0/24 

jp1 	

Japan 	

54.65.63.192 - 54.65.63.255, 3.112.80.0 - 3.112.80.255 	

54.65.63.192/26, 3.112.80.0/24 

sg1 	

Singapore 	

54.169.127.128 - 54.169.127.191, 3.1.77.0 - 3.1.77.255 	

54.169.127.128/26, 3.1.77.0/24 

us1 	

US East Coast (Virginia) 	

54.172.60.0 - 54.172.61.255 , 34.203.250.0 - 34.203.251.255 	

54.172.60.0/23, 34.203.250.0/23 

gll 	

Use Twilio's Global Low Latency routing to select the data center with the lowest-latency connection to your user. 	

Any of the above 	

Any of the above 

Kind regards, 

Aine