[REN-BGP-stats-all] IPv4 R&E Routing Table Report - REANNZ (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Mar 15 21:15:30 UTC 2022
IPv4 R&E Routing Table Report 21:15 GMT Tue 15 Mar, 2022
BGP Table (R&E) as seen at REANNZ.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/REANNZ/
Analysis Summary
----------------
BGP routing table entries examined: 18576
Prefixes after maximum aggregation (per Origin AS): 8455
Deaggregation factor: 2.20
Unique aggregates announced (without unneeded subnets): 7644
Total ASes present in the Internet Routing Table: 2748
Prefixes per ASN: 6.76
Origin-only ASes present in the Internet Routing Table: 2375
Origin ASes announcing only one prefix: 1098
Transit ASes present in the Internet Routing Table: 373
Transit-only ASes present in the Internet Routing Table: 50
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 16
Max AS path prepend of ASN (211089) 11
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 38793
Number of 32-bit ASNs visible in the Routing Table: 610
Prefixes from 32-bit ASNs in the Routing Table: 1640
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 898
Prefixes being announced from unallocated address space: 10
Number of addresses announced to Internet: 161702144
Equivalent to 9 /8s, 163 /16s and 97 /24s
Percentage of available address space announced: 4.4
Percentage of allocated address space announced: 4.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 7405
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4611
Total APNIC prefixes after maximum aggregation: 1412
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 1713
Unique aggregates announced from the APNIC address blocks: 689
APNIC Region origin ASes present in the Internet Routing Table: 576
APNIC Prefixes per ASN: 2.97
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 218
Number of APNIC addresses announced to Internet: 23928064
Equivalent to 1 /8s, 109 /16s and 29 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-151865
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 8261
Total ARIN prefixes after maximum aggregation: 3868
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 10056
Unique aggregates announced from the ARIN address blocks: 3411
ARIN Region origin ASes present in the Internet Routing Table: 1242
ARIN Prefixes per ASN: 8.10
ARIN Region origin ASes announcing only one prefix: 452
ARIN Region transit ASes present in the Internet Routing Table: 166
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 169
Number of ARIN addresses announced to Internet: 97286144
Equivalent to 5 /8s, 204 /16s and 120 /24s
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8,
66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8,
73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8,
99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 3373
Total RIPE prefixes after maximum aggregation: 2611
RIPE Deaggregation factor: 1.29
Prefixes being announced from the RIPE address blocks: 5742
Unique aggregates announced from the RIPE address blocks: 3386
RIPE Region origin ASes present in the Internet Routing Table: 660
RIPE Prefixes per ASN: 8.70
RIPE Region origin ASes announcing only one prefix: 307
RIPE Region transit ASes present in the Internet Routing Table: 96
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 131
Number of RIPE addresses announced to Internet: 30285312
Equivalent to 1 /8s, 206 /16s and 30 /24s
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 64396-64495
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 1393
Total LACNIC prefixes after maximum aggregation: 370
LACNIC Deaggregation factor: 3.76
Prefixes being announced from the LACNIC address blocks: 2
Unique aggregates announced from the LACNIC address blocks: 2
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 0.01
LACNIC Region origin ASes announcing only one prefix: 67
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 131072
Equivalent to 0 /8s, 2 /16s and 0 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 932
Total AfriNIC prefixes after maximum aggregation: 188
AfriNIC Deaggregation factor: 4.96
Prefixes being announced from the AfriNIC address blocks: 155
Unique aggregates announced from the AfriNIC address blocks: 145
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 3.04
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 9838336
Equivalent to 0 /8s, 150 /16s and 31 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 581 1968 197 SINET-AS Research Organization of Infor
7497 432 116 8 CSTNET-AS-AP Computer Network Informati
1237 186 33 3 KREONET-AS-KR KISTI, KR
7575 176 315 52 AARNET-AS-AP Australian Academic and Re
58647 167 16 1 KAGAWAU-AS Kagawa University, JP
55824 128 18 19 NKN-CORE-NW NKN Core Network, IN
4538 126 1394 38 ERX-CERNET-BKB China Education and Rese
4621 79 3 6 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 252 50 5 NU-AS, US
376 203 163 30 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
668 190 537 135 DNIC-AS-00668, US
2152 151 404 49 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
270 120 329 88 AS270, US
23024 114 7 17 OCDE, US
2920 108 16 1 LACOE, US
21976 85 49 15 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 279 1949 242 DFN Verein zur Foerderung eines Deutsch
786 186 1732 177 JANET Jisc Services Limited, GB
8895 141 0 2 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
137 82 653 75 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2614 69 26 40 ROEDUNET, RO
2200 66 647 61 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 157 81 7 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 22 46 Red Universitaria Nacional, CL
1251 60 12 2 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 69 32 Fundacao Carlos Chagas Filho de Amparo
19611 45 16 1 Associacao Antonio Vieira - Unisinos, B
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 2 11 CEDIA, EC
28614 38 1 1 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 373 319 74 TENET-1, ZA
36914 210 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 36 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 17 8 1 TERNET, TZ
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 581 1968 197 SINET-AS Research Organization of Infor
7497 432 116 8 CSTNET-AS-AP Computer Network Informati
2018 373 319 74 TENET-1, ZA
680 279 1949 242 DFN Verein zur Foerderung eines Deutsch
7896 252 50 5 NU-AS, US
36914 210 82 3 KENET-AS, KE
376 203 163 30 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
668 190 537 135 DNIC-AS-00668, US
786 186 1732 177 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 432 424 CSTNET-AS-AP Computer Network Information Cente
2018 373 299 TENET-1, ZA
7896 252 247 NU-AS, US
36914 210 207 KENET-AS, KE
5786 200 199 UPRENET, PR
1237 186 183 KREONET-AS-KR KISTI, KR
376 203 173 RISQ-AS, CA
58647 167 166 KAGAWAU-AS Kagawa University, JP
1916 157 150 Rede Nacional de Ensino e Pesquisa, BR
8895 141 139 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 4.249.65.0/24 23024 OCDE, US
22063 UNALLOCATED 53.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 56.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 99.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 5.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 16.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
0.135.25.0/24 7896 NU-AS, US
0.28.128.0/18 13796 UCONN-ARIN, US
0.58.142.0/23 26421 PONDEROSA-INTERNET, US
0.115.192.0/20 54048 CVIN, US
0.115.201.0/24 54048 CVIN, US
0.115.204.0/24 54048 CVIN, US
0.115.207.0/24 54048 CVIN, US
0.228.121.0/24 397380 TEMPLE-HEALTH, US
0.245.128.0/17 7497 CSTNET-AS-AP Computer Network Information Cente
0.245.128.0/24 7497 CSTNET-AS-AP Computer Network Information Cente
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.136.65.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG
23.136.65.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
23.136.66.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG
23.136.66.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
23.136.67.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG
23.136.67.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
23.136.68.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG
23.136.68.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
23.136.69.0/24 Origin: 23767 A-STAR-AS-AP A-STAR, SG
23.136.69.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:2 /11:1 /12:10
/13:17 /14:36 /15:120 /16:2044 /17:393 /18:437
/19:568 /20:865 /21:893 /22:1434 /23:1574 /24:10181
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
2907 293 581 SINET-AS Research Organization of Information a
2018 269 373 TENET-1, ZA
7497 245 432 CSTNET-AS-AP Computer Network Information Cente
1916 150 157 Rede Nacional de Ensino e Pesquisa, BR
680 140 279 DFN Verein zur Foerderung eines Deutschen Forsc
36914 114 210 KENET-AS, KE
1237 105 186 KREONET-AS-KR KISTI, KR
270 95 120 AS270, US
11340 93 95 Red Universitaria Nacional, CL
668 80 190 DNIC-AS-00668, US
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:253 2:676 3:804 4:565 5:247 6:299
7:244 8:143 9:201 10:186 11:33 12:146
13:5 14:30 16:91 17:72 18:54 19:28
20:15 21:27 22:13 23:11 24:39 25:4
28:81 29:178 30:94 31:93 32:56 33:141
34:99 36:193 37:88 38:8 39:5 40:47
41:1 42:41 43:31 44:52 45:2 46:128
47:59 48:192 49:13 50:40 51:6 52:77
53:13 54:26 55:51 56:68 57:26 58:42
59:116 60:25 61:22 62:21 63:64 64:35
65:55 66:1 67:16 68:124 69:10 70:68
71:1 72:2 73:7 75:29 76:8 77:12
79:11 80:21 82:6 84:3 85:39 86:3
87:19 88:13 89:5 90:33 91:33 92:1447
93:260 94:124 95:74 96:163 97:115 98:509
99:281
End of report
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