IPv4 Transfers January 2017

In January 2017, the five Regional Internet Registries recorded 363 transfers: 6,854,912 IPv4 addresses in 304 blocks, plus 17 IPv6 blocks and 42 AS numbers. 14 transfers moved resources between two registries. Dates are the dates the registry processed the transfer.

IPv4 addresses transferred

6.9M

304 IPv4 blocks

Registry transfers

363

17 IPv6 / 42 ASN

Inter-RIR transfers

552K IPv4 addresses (8%)

Mergers and acquisitions

105

258 market transfers

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, January 2017
Registry	Transfers	IPv4 received	Inter-RIR in	Inter-RIR out
ARIN	169	5,811,200	18,432	534,016
RIPE NCC	151	772,096	501,248	18,432
APNIC	42	270,592	32,768	-
LACNIC	1	1,024	-	-

Inter-RIR Transfers January 2017

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	-	18K 2 transfers	0	0	0
ARIN	501K 11 transfers	-	33K 1 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, January 2017
Prefix length	Addresses per block	Blocks	Share of blocks	IPv4 addresses
/11	2,097,152	1	0.3%	2,097,152
/12	1,048,576	1	0.3%	1,048,576
/13	524,288	2	0.7%	1,048,576
/14	262,144	2	0.7%	524,288
/16	65,536	18	5.9%	1,179,648
/17	32,768	8	2.6%	262,144
/18	16,384	14	4.6%	229,376
/19	8,192	22	7.2%	180,224
/20	4,096	35	11.5%	143,360
/21	2,048	17	5.6%	34,816
/22	1,024	67	22.0%	68,608
/23	512	32	10.5%	16,384
/24	256	85	28.0%	21,760

Top Receiving Countries

Top Source Countries

IPv4 transferred across country borders in January 2017. Registry logs before mid-2025 do not carry a country for every transfer, so this ranking undercounts some regions.

Largest IPv4 Transfers January 2017

99.224.0.0/11M&A · 2017-01-06
Rogers Cable Communications Inc.
🇨🇦 CA ARIN
→
Rogers Communications Canada Inc.
🇨🇦 CA ARIN
99.208.0.0/12M&A · 2017-01-06
Rogers Cable Communications Inc.
🇨🇦 CA ARIN
→
Rogers Communications Canada Inc.
🇨🇦 CA ARIN
174.112.0.0/13M&A · 2017-01-06
Rogers Cable Communications Inc.
🇨🇦 CA ARIN
→
Rogers Communications Canada Inc.
🇨🇦 CA ARIN
72.136.0.0/13M&A · 2017-01-06
Rogers Cable Communications Inc.
🇨🇦 CA ARIN
→
Rogers Communications Canada Inc.
🇨🇦 CA ARIN
173.32.0.0/14M&A · 2017-01-06
Rogers Cable Communications Inc.
🇨🇦 CA ARIN
→
Rogers Communications Canada Inc.
🇨🇦 CA ARIN
97.108.0.0/14M&A · 2017-01-06
Rogers Cable Communications Inc.
🇨🇦 CA ARIN
→
Rogers Communications Canada Inc.
🇨🇦 CA ARIN
150.147.0.0/16M&A · 2017-01-31
Data Research Associates, Inc.
🇺🇸 US ARIN
→
SirsiDynix
🇺🇸 US ARIN
134.6.0.0/16Transfer · 2017-01-31
Seagate Technology LLC
🇺🇸 US ARIN
→
Granite Telecommunications LLC
🇺🇸 US ARIN
155.186.0.0/16Transfer · 2017-01-31
HP Inc.
🇺🇸 US ARIN
→
Charter Communications
🇺🇸 US ARIN
141.126.0.0/16Transfer · 2017-01-31
HP Inc.
🇺🇸 US ARIN
→
Charter Communications
🇺🇸 US ARIN
162.133.0.0/16inter-RIRTransfer · 2017-01-30
American Greetings Corporation
🇺🇸 US ARIN
→
SoftLayer Technologies, Inc.
RIPE NCC
135.90.0.0/16inter-RIRTransfer · 2017-01-30
Dasan Zhone Solutions, Inc.
🇺🇸 US ARIN
→
SoftLayer Technologies, Inc.
RIPE NCC
165.192.0.0/16inter-RIRTransfer · 2017-01-26
Educational & Corporate Technologies, Inc.
🇺🇸 US ARIN
→
SoftLayer Technologies, Inc.
RIPE NCC
147.82.0.0/16Transfer · 2017-01-26
S.C. GVM SISTEM 2003 S.R.L.
RIPE NCC
→
ARABIAN INTERNET & COMMUNICATIONS SERVICES CO.LTD
RIPE NCC
150.112.0.0/16M&A · 2017-01-23
IDIAP
🇺🇸 US ARIN
→
IDIAP
🇨🇭 CH ARIN
141.125.0.0/16inter-RIRTransfer · 2017-01-19
Xcerra Corporation
🇺🇸 US ARIN
→
SoftLayer Technologies, Inc.
RIPE NCC
130.93.0.0/16inter-RIRTransfer · 2017-01-17
Global Networking and Computing, Inc.
🇺🇸 US ARIN
→
A&F Networks B.V.
RIPE NCC
119.3.0.0/16Transfer · 2017-01-12
ShenZhen TC telecom Network Corp.
🇨🇳 CN APNIC
→
China Internet Network Information Center/HWCSNET
🇨🇳 CN APNIC
114.116.0.0/16Transfer · 2017-01-12
ShenZhen TC telecom Network Corp.
🇨🇳 CN APNIC
→
China Internet Network Information Center/HWCSNET
🇨🇳 CN APNIC
160.231.0.0/16M&A · 2017-01-12
Dassault Systemes of America Corp.
🇺🇸 US ARIN
→
DASSAULT SYSTEMS AMERICASCORP
🇺🇸 US ARIN
161.156.0.0/16inter-RIRTransfer · 2017-01-12
V.C. Summer Nuclear Station
🇺🇸 US ARIN
→
SoftLayer Technologies, Inc.
RIPE NCC
149.81.0.0/16inter-RIRTransfer · 2017-01-12
Northstar Technologies, Inc.
🇺🇸 US ARIN
→
SoftLayer Technologies, Inc.
RIPE NCC
134.224.0.0/16M&A · 2017-01-05
Augusta College
🇺🇸 US ARIN
→
Augusta University
🇺🇸 US ARIN
59.83.0.0/16Transfer · 2017-01-01
China Internet Network Information Center/AUNINET
🇨🇳 CN APNIC
→
China Internet Network Information Center/EPPS
🇨🇳 CN APNIC
147.92.128.0/17inter-RIRTransfer · 2017-01-31
Buena Vista University
🇺🇸 US ARIN
→
LINE Corporation
🇯🇵 JP APNIC

Date	Resource	From	To	Type
2017-01-06	99.224.0.0/11	Rogers Cable Communications Inc. 🇨🇦 CA ARIN	Rogers Communications Canada Inc. 🇨🇦 CA ARIN	M&A
2017-01-06	99.208.0.0/12	Rogers Cable Communications Inc. 🇨🇦 CA ARIN	Rogers Communications Canada Inc. 🇨🇦 CA ARIN	M&A
2017-01-06	174.112.0.0/13	Rogers Cable Communications Inc. 🇨🇦 CA ARIN	Rogers Communications Canada Inc. 🇨🇦 CA ARIN	M&A
2017-01-06	72.136.0.0/13	Rogers Cable Communications Inc. 🇨🇦 CA ARIN	Rogers Communications Canada Inc. 🇨🇦 CA ARIN	M&A
2017-01-06	173.32.0.0/14	Rogers Cable Communications Inc. 🇨🇦 CA ARIN	Rogers Communications Canada Inc. 🇨🇦 CA ARIN	M&A
2017-01-06	97.108.0.0/14	Rogers Cable Communications Inc. 🇨🇦 CA ARIN	Rogers Communications Canada Inc. 🇨🇦 CA ARIN	M&A
2017-01-31	150.147.0.0/16	Data Research Associates, Inc. 🇺🇸 US ARIN	SirsiDynix 🇺🇸 US ARIN	M&A
2017-01-31	134.6.0.0/16	Seagate Technology LLC 🇺🇸 US ARIN	Granite Telecommunications LLC 🇺🇸 US ARIN	Transfer
2017-01-31	155.186.0.0/16	HP Inc. 🇺🇸 US ARIN	Charter Communications 🇺🇸 US ARIN	Transfer
2017-01-31	141.126.0.0/16	HP Inc. 🇺🇸 US ARIN	Charter Communications 🇺🇸 US ARIN	Transfer
2017-01-30	162.133.0.0/16inter-RIR	American Greetings Corporation 🇺🇸 US ARIN	SoftLayer Technologies, Inc. RIPE NCC	Transfer
2017-01-30	135.90.0.0/16inter-RIR	Dasan Zhone Solutions, Inc. 🇺🇸 US ARIN	SoftLayer Technologies, Inc. RIPE NCC	Transfer
2017-01-26	165.192.0.0/16inter-RIR	Educational & Corporate Technologies, Inc. 🇺🇸 US ARIN	SoftLayer Technologies, Inc. RIPE NCC	Transfer
2017-01-26	147.82.0.0/16	S.C. GVM SISTEM 2003 S.R.L. RIPE NCC	ARABIAN INTERNET & COMMUNICATIONS SERVICES CO.LTD RIPE NCC	Transfer
2017-01-23	150.112.0.0/16	IDIAP 🇺🇸 US ARIN	IDIAP 🇨🇭 CH ARIN	M&A
2017-01-19	141.125.0.0/16inter-RIR	Xcerra Corporation 🇺🇸 US ARIN	SoftLayer Technologies, Inc. RIPE NCC	Transfer
2017-01-17	130.93.0.0/16inter-RIR	Global Networking and Computing, Inc. 🇺🇸 US ARIN	A&F Networks B.V. RIPE NCC	Transfer
2017-01-12	119.3.0.0/16	ShenZhen TC telecom Network Corp. 🇨🇳 CN APNIC	China Internet Network Information Center/HWCSNET 🇨🇳 CN APNIC	Transfer
2017-01-12	114.116.0.0/16	ShenZhen TC telecom Network Corp. 🇨🇳 CN APNIC	China Internet Network Information Center/HWCSNET 🇨🇳 CN APNIC	Transfer
2017-01-12	160.231.0.0/16	Dassault Systemes of America Corp. 🇺🇸 US ARIN	DASSAULT SYSTEMS AMERICASCORP 🇺🇸 US ARIN	M&A
2017-01-12	161.156.0.0/16inter-RIR	V.C. Summer Nuclear Station 🇺🇸 US ARIN	SoftLayer Technologies, Inc. RIPE NCC	Transfer
2017-01-12	149.81.0.0/16inter-RIR	Northstar Technologies, Inc. 🇺🇸 US ARIN	SoftLayer Technologies, Inc. RIPE NCC	Transfer
2017-01-05	134.224.0.0/16	Augusta College 🇺🇸 US ARIN	Augusta University 🇺🇸 US ARIN	M&A
2017-01-01	59.83.0.0/16	China Internet Network Information Center/AUNINET 🇨🇳 CN APNIC	China Internet Network Information Center/EPPS 🇨🇳 CN APNIC	Transfer
2017-01-31	147.92.128.0/17inter-RIR	Buena Vista University 🇺🇸 US ARIN	LINE Corporation 🇯🇵 JP APNIC	Transfer