IPv4 Transfers 2012

In 2012, the five Regional Internet Registries recorded 206 transfers that moved 6,684,416 IPv4 addresses in 203 blocks, 8 of them between two registries. Figures come from the RIRs' official transfer logs and include mergers and acquisitions.

IPv4 addresses transferred

6.7M

203 IPv4 blocks

Registry transfers

206

0 IPv6 / 3 ASN

Inter-RIR transfers

2,304 IPv4 addresses (0%)

Mergers and acquisitions

206 market transfers

Monthly Transfer Volume 2012 by receiving RIR

IPv4 transfers per month in 2012
Month	Transfers	IPv4 addresses
December 2012	20	225,536
November 2012	15	1,162,496
October 2012	24	397,824
September 2012	6	213,760
August 2012	32	691,200
July 2012	21	75,520
June 2012	3	81,920
May 2012	26	1,124,352
April 2012	10	204,800
March 2012	15	1,174,784
February 2012	15	946,688
January 2012	19	385,536

Transfer Volume by RIR

Transfers counted at the receiving registry. Inter-RIR columns show IPv4 that entered or left the region.

Transfers per Regional Internet Registry, 2012
Registry	Transfers	IPv4 received	Inter-RIR in	Inter-RIR out
ARIN	30	4,862,208	-	2,304
APNIC	166	1,756,672	2,304	-
RIPE NCC	10	65,536	-	-

Inter-RIR Transfers 2012

IPv4 addresses moved from one registry to another. All inter-RIR transfers

IPv4 addresses transferred between Regional Internet Registries
From ↓ / To →	RIPE NCC	ARIN	APNIC	LACNIC	AFRINIC
RIPE NCC	-	0	0	0	0
ARIN	0	-	2,304 8 transfers	0	0
APNIC	0	0	-	0	0
LACNIC	0	0	0	-	0
AFRINIC	0	0	0	0	-

IPv4 Transfers by Block Size

Number of transferred IPv4 blocks per prefix length.

IPv4 transfers by prefix length, 2012
Prefix length	Addresses per block	Blocks	Share of blocks	IPv4 addresses
/12	1,048,576	2	1.0%	2,097,152
/13	524,288	2	1.0%	1,048,576
/14	262,144	3	1.5%	786,432
/15	131,072	6	3.0%	786,432
/16	65,536	20	9.9%	1,310,720
/17	32,768	6	3.0%	196,608
/18	16,384	14	6.9%	229,376
/19	8,192	13	6.4%	106,496
/20	4,096	14	6.9%	57,344
/21	2,048	7	3.4%	14,336
/22	1,024	22	10.8%	22,528
/23	512	17	8.4%	8,704
/24	256	77	37.9%	19,712

Top Receiving Countries

Top Source Countries

IPv4 transferred across country borders in 2012. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers 2012

40.128.0.0/12Transfer · 2012-11-13
Eli Lilly and Company
🇺🇸 US ARIN
→
Windstream Communications LLC
🇺🇸 US ARIN
54.224.0.0/12Transfer · 2012-03-01
Merck and Co., Inc.
🇺🇸 US ARIN
→
Amazon Technologies Inc.
🇺🇸 US ARIN
35.248.0.0/13Transfer · 2012-08-30
Merit Network Inc.
🇺🇸 US ARIN
→
tw telecom holdings, inc.
🇺🇸 US ARIN
47.64.0.0/13Transfer · 2012-05-15
Bell-Northern Research
🇨🇦 CA ARIN
→
VODAFONE AMERICAS INC.
🇺🇸 US ARIN
47.60.0.0/14Transfer · 2012-05-15
Bell-Northern Research
🇨🇦 CA ARIN
→
VODAFONE AMERICAS INC.
🇺🇸 US ARIN
47.20.0.0/14Transfer · 2012-02-29
Bell-Northern Research
🇨🇦 CA ARIN
→
Optimum WiFi
🇺🇸 US ARIN
47.16.0.0/14Transfer · 2012-02-29
Bell-Northern Research
🇨🇦 CA ARIN
→
Optimum WiFi
🇺🇸 US ARIN
153.122.0.0/15Transfer · 2012-10-11
Japan Network Information Center/DOMIRU
🇯🇵 JP APNIC
→
Japan Network Information Center/DIX
🇯🇵 JP APNIC
153.254.0.0/15Transfer · 2012-09-19
Japan Network Information Center/OCN
🇯🇵 JP APNIC
→
Japan Network Information Center/ARCSTAR
🇯🇵 JP APNIC
47.72.0.0/15Transfer · 2012-05-15
Bell-Northern Research
🇨🇦 CA ARIN
→
VODAFONE AMERICAS INC.
🇺🇸 US ARIN
47.58.0.0/15Transfer · 2012-05-15
Bell-Northern Research
🇨🇦 CA ARIN
→
VODAFONE AMERICAS INC.
🇺🇸 US ARIN
47.54.0.0/15Transfer · 2012-04-09
Bell-Northern Research
🇨🇦 CA ARIN
→
Bell Aliant Regional Communications, Inc.
🇨🇦 CA ARIN
223.118.0.0/15Transfer · 2012-01-06
China Mobile Communications Group Co., Ltd
🇨🇳 CN APNIC
→
China Mobile International Limited
🇭🇰 HK APNIC
118.200.0.0/16Transfer · 2012-12-21
Beyond Excellent Technology Ltd
🇭🇰 HK APNIC
→
SingNet Pte Ltd
🇸🇬 SG APNIC
150.207.0.0/16Transfer · 2012-12-19
BAE Systems Australia Limited
🇦🇺 AU APNIC
→
Nextgen Networks
🇦🇺 AU APNIC
119.9.0.0/16Transfer · 2012-10-12
Cloud-Sense Technology Corporation Ltd.
🇭🇰 HK APNIC
→
Rackspace.com Hong Kong Limited
🇭🇰 HK APNIC
136.179.0.0/16Transfer · 2012-09-07
Intermec Technologies Corporation
🇺🇸 US ARIN
→
SWITCH, LTD
🇺🇸 US ARIN
122.13.0.0/16Transfer · 2012-08-22
GuangXi Seehu Technology Co., Ltd
🇨🇳 CN APNIC
→
China Unicom
🇨🇳 CN APNIC
153.124.0.0/16Transfer · 2012-08-16
Japan Network Information Center/DOMIRU
🇯🇵 JP APNIC
→
Japan Network Information Center/DIX
🇯🇵 JP APNIC
1.44.0.0/16Transfer · 2012-07-23
Optus Internet Pty Ltd
🇦🇺 AU APNIC
→
SingTel Optus Pty Ltd
🇦🇺 AU APNIC
123.63.0.0/16Transfer · 2012-06-28
Renjiao International Technology Corporation Ltd
🇭🇰 HK APNIC
→
Vodafone Spacetel Limited
🇮🇳 IN APNIC
47.53.0.0/16Transfer · 2012-05-15
Bell-Northern Research
🇨🇦 CA ARIN
→
VODAFONE AMERICAS INC.
🇺🇸 US ARIN
119.81.0.0/16Transfer · 2012-04-10
Renjiao International Technology Corporation Ltd
🇭🇰 HK APNIC
→
IBM Cloud International B.V.
APNIC
65.22.0.0/16Transfer · 2012-03-16
Tucows.com Co.
🇨🇦 CA ARIN
→
Afilias Canada, Corp.
🇨🇦 CA ARIN
136.147.0.0/16Transfer · 2012-02-24
Northern Telecom Canada Ltd.
🇨🇦 CA ARIN
→
Salesforce.com, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2012-11-13	40.128.0.0/12	Eli Lilly and Company 🇺🇸 US ARIN	Windstream Communications LLC 🇺🇸 US ARIN	Transfer
2012-03-01	54.224.0.0/12	Merck and Co., Inc. 🇺🇸 US ARIN	Amazon Technologies Inc. 🇺🇸 US ARIN	Transfer
2012-08-30	35.248.0.0/13	Merit Network Inc. 🇺🇸 US ARIN	tw telecom holdings, inc. 🇺🇸 US ARIN	Transfer
2012-05-15	47.64.0.0/13	Bell-Northern Research 🇨🇦 CA ARIN	VODAFONE AMERICAS INC. 🇺🇸 US ARIN	Transfer
2012-05-15	47.60.0.0/14	Bell-Northern Research 🇨🇦 CA ARIN	VODAFONE AMERICAS INC. 🇺🇸 US ARIN	Transfer
2012-02-29	47.20.0.0/14	Bell-Northern Research 🇨🇦 CA ARIN	Optimum WiFi 🇺🇸 US ARIN	Transfer
2012-02-29	47.16.0.0/14	Bell-Northern Research 🇨🇦 CA ARIN	Optimum WiFi 🇺🇸 US ARIN	Transfer
2012-10-11	153.122.0.0/15	Japan Network Information Center/DOMIRU 🇯🇵 JP APNIC	Japan Network Information Center/DIX 🇯🇵 JP APNIC	Transfer
2012-09-19	153.254.0.0/15	Japan Network Information Center/OCN 🇯🇵 JP APNIC	Japan Network Information Center/ARCSTAR 🇯🇵 JP APNIC	Transfer
2012-05-15	47.72.0.0/15	Bell-Northern Research 🇨🇦 CA ARIN	VODAFONE AMERICAS INC. 🇺🇸 US ARIN	Transfer
2012-05-15	47.58.0.0/15	Bell-Northern Research 🇨🇦 CA ARIN	VODAFONE AMERICAS INC. 🇺🇸 US ARIN	Transfer
2012-04-09	47.54.0.0/15	Bell-Northern Research 🇨🇦 CA ARIN	Bell Aliant Regional Communications, Inc. 🇨🇦 CA ARIN	Transfer
2012-01-06	223.118.0.0/15	China Mobile Communications Group Co., Ltd 🇨🇳 CN APNIC	China Mobile International Limited 🇭🇰 HK APNIC	Transfer
2012-12-21	118.200.0.0/16	Beyond Excellent Technology Ltd 🇭🇰 HK APNIC	SingNet Pte Ltd 🇸🇬 SG APNIC	Transfer
2012-12-19	150.207.0.0/16	BAE Systems Australia Limited 🇦🇺 AU APNIC	Nextgen Networks 🇦🇺 AU APNIC	Transfer
2012-10-12	119.9.0.0/16	Cloud-Sense Technology Corporation Ltd. 🇭🇰 HK APNIC	Rackspace.com Hong Kong Limited 🇭🇰 HK APNIC	Transfer
2012-09-07	136.179.0.0/16	Intermec Technologies Corporation 🇺🇸 US ARIN	SWITCH, LTD 🇺🇸 US ARIN	Transfer
2012-08-22	122.13.0.0/16	GuangXi Seehu Technology Co., Ltd 🇨🇳 CN APNIC	China Unicom 🇨🇳 CN APNIC	Transfer
2012-08-16	153.124.0.0/16	Japan Network Information Center/DOMIRU 🇯🇵 JP APNIC	Japan Network Information Center/DIX 🇯🇵 JP APNIC	Transfer
2012-07-23	1.44.0.0/16	Optus Internet Pty Ltd 🇦🇺 AU APNIC	SingTel Optus Pty Ltd 🇦🇺 AU APNIC	Transfer
2012-06-28	123.63.0.0/16	Renjiao International Technology Corporation Ltd 🇭🇰 HK APNIC	Vodafone Spacetel Limited 🇮🇳 IN APNIC	Transfer
2012-05-15	47.53.0.0/16	Bell-Northern Research 🇨🇦 CA ARIN	VODAFONE AMERICAS INC. 🇺🇸 US ARIN	Transfer
2012-04-10	119.81.0.0/16	Renjiao International Technology Corporation Ltd 🇭🇰 HK APNIC	IBM Cloud International B.V. APNIC	Transfer
2012-03-16	65.22.0.0/16	Tucows.com Co. 🇨🇦 CA ARIN	Afilias Canada, Corp. 🇨🇦 CA ARIN	Transfer
2012-02-24	136.147.0.0/16	Northern Telecom Canada Ltd. 🇨🇦 CA ARIN	Salesforce.com, Inc. 🇺🇸 US ARIN	Transfer