NRO Number Council


The Number Resource Organization (NRO) Memorandum of Understanding (MoU), signed in October 2003, called for the creation of a Number Council. The MoU reads, in part:

“The NRO Number Council shall be responsible for the provision of advice to the Executive Council concerning the ratification of proposed global IP number resource allocation policies.

“The NRO Number Council shall act as a point of consultation to external entities on proposed global IP number resource policies, addressing questions that may be raised concerning such policy proposals, maintaining a dialogue with the entity and the RIRs concerning these proposals as required.

“The NRO Number Council shall develop procedures in an accessible, open, transparent and documented manner for conducting business in support of their responsibilities and submit these procedures to the Executive Council for approval.”

In October 2004, the NRO and ICANN signed the Address Supporting Organization (ASO) MoU, which dictated that the NRO Number Council fulfill the role of ICANN’s ASO Address Council (ASO AC). The ASO AC, consisting of members appointed or elected to the NRO Number Council, will continue to function as a role of ICANN as required in ICANN’s Bylaws.

Address Supporting Organization (ASO)

ASO Formation and Function

The Address Supporting Organization (ASO) is one of three Supporting Organizations called for in the ICANN Bylaws to be “formed through community consensus.” The purpose of the ASO is to review and develop recommendations on IP address policy and to advise the ICANN Board on these matters.

In July 1999, the three currently existing Regional Internet Registries (APNIC, ARIN, and RIPE NCC) submitted a proposal to form the ASO on the basis of a Memorandum of Understanding. ICANN accepted this proposal on 26 August 1999.

The ASO was subsequently formed on 19 October 1999, when the MoU was signed by representatives of the RIRs and ICANN, during the ARIN IV Public Policy Meeting in Denver. LACNIC and AFRINIC also signed the ASO MoU upon their recognition as RIRs.

Each Regional Internet Registry (RIR) has three members on the Number Council.

Read the Election Guidelines for more information on how NRO NC members are nominated and elected or appointed.


The ASO AC conducts monthly teleconferences that are open to observers. These calls are generally held on the first Wednesday of each month. The meeting schedule and further details are available on the ASO website.

Current Members of the NRO NC from the ARIN Region

Kevin Blumberg

kblumberg at thewire dot

Kevin has been the co-owner and CTO of The Wire Inc. in Toronto, Canada since 1999. He currently sits on the Board of the Toronto Internet Exchange as well as on the NANOG Program Committee. His past involvements included being on the Board and Executive of the Canadian Network Operators Consortium Inc. from 2010 until 2016. He served on the ARIN Advisory Council from 2012 until his appointment to the NRO Number Council in August 2016, and he served as Advisory Council Vice-Chair in 2015 and 2016. He was reappointed for a one year term for 2017, and a three year term beginning January 2021. Kevin’s current three-year appointment ends through 31 December 2023.

Martin Hannigan

hannigan at gmail dot

Martin was elected to serve on the ICANN Address Supporting Organization “ASO AC” for a three-year term beginning January 1, 2020 and ending 31 December 2022. He is founder and Chief Executive Officer of Deep Edge Realty, a private equity backed Internet infrastructure company headquartered in Boston, MA USA.

Martin has over thirty years of Internet engineering, operations, finance and governance experience through technical and business leadership roles at Level(3) Communications, Verisign, Akamai Technologies, Microsoft and Amazon (Twitch).

Martin resides in Boston, MA and Key West, FL in the United States.

Martin was elected for a three-year term ending 31 December 2022.

Chris Quesada

christoquesada at aol dot

Chris Quesada has over 20 years’ experience of network engineering and supporting the community. He has worked at Cogent Communications, PAIX, Switch and Data, Time Warner Cable and Verisign and supported capacity planning and number resources, peering and strategic infrastructure initiatives throughout his careers. From 2002-2006, he supported 6Bone initiatives and the transition to v6 on the Switch and Data IXs (Formerly PAIX). From 2009-2011, he served as Chair of NANOG Development Committee helping to transition the hosting of NANOG from Merritt to NewNOG. Chris has a bachelor’s degree from George Mason University.

Chris was elected for a three-year term ending 31 December 2024.