[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Oct 20 17:05:28 UTC 2021
Global R&E Routing Table Report 17:05 GMT Wed 20 Oct, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14231
Prefixes after maximum aggregation (per Origin AS): 8283
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 9183
Total ASes present in the Internet Routing Table: 2151
Prefixes per ASN: 6.62
Origin-only ASes present in the Internet Routing Table: 1848
Origin ASes announcing only one prefix: 889
Transit ASes present in the Internet Routing Table: 303
Transit-only ASes present in the Internet Routing Table: 41
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 14
Max AS path prepend of ASN ( 5474) 11
Prefixes from unregistered ASNs in the Routing Table: 14
Number of instances of unregistered ASNs: 14
Number of 32-bit ASNs allocated by the RIRs: 37569
Number of 32-bit ASNs visible in the Routing Table: 478
Prefixes from 32-bit ASNs in the Routing Table: 1396
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 174667744
Equivalent to 10 /8s, 105 /16s and 55 /24s
Percentage of available address space announced: 4.7
Percentage of allocated address space announced: 4.7
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: 1548
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3847
Total APNIC prefixes after maximum aggregation: 2013
APNIC Deaggregation factor: 1.91
Prefixes being announced from the APNIC address blocks: 3849
Unique aggregates announced from the APNIC address blocks: 2219
APNIC Region origin ASes present in the Internet Routing Table: 441
APNIC Prefixes per ASN: 8.73
APNIC Region origin ASes announcing only one prefix: 191
APNIC Region transit ASes present in the Internet Routing Table: 49
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: 158
Number of APNIC addresses announced to Internet: 44670560
Equivalent to 2 /8s, 169 /16s and 158 /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: 5235
Total ARIN prefixes after maximum aggregation: 3131
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 5258
Unique aggregates announced from the ARIN address blocks: 3574
ARIN Region origin ASes present in the Internet Routing Table: 844
ARIN Prefixes per ASN: 6.23
ARIN Region origin ASes announcing only one prefix: 311
ARIN Region transit ASes present in the Internet Routing Table: 110
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 110
Number of ARIN addresses announced to Internet: 68344096
Equivalent to 4 /8s, 18 /16s and 217 /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: 3176
Total RIPE prefixes after maximum aggregation: 2531
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3167
Unique aggregates announced from the RIPE address blocks: 2601
RIPE Region origin ASes present in the Internet Routing Table: 627
RIPE Prefixes per ASN: 5.05
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 97
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 122
Number of RIPE addresses announced to Internet: 56020928
Equivalent to 3 /8s, 86 /16s and 207 /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: 1061
Total LACNIC prefixes after maximum aggregation: 414
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1059
Unique aggregates announced from the LACNIC address blocks: 494
LACNIC Region origin ASes present in the Internet Routing Table: 145
LACNIC Prefixes per ASN: 7.30
LACNIC Region origin ASes announcing only one prefix: 60
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 2950048
Equivalent to 0 /8s, 45 /16s and 3 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 898
Total AfriNIC prefixes after maximum aggregation: 188
AfriNIC Deaggregation factor: 4.78
Prefixes being announced from the AfriNIC address blocks: 898
Unique aggregates announced from the AfriNIC address blocks: 295
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 17.96
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2682112
Equivalent to 0 /8s, 40 /16s and 237 /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 620 2156 457 SINET-AS Research Organization of Infor
7497 427 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
4538 172 4192 72 ERX-CERNET-BKB China Education and Rese
55824 113 18 10 NKN-CORE-NW NKN Core Network, IN
2697 53 3 32 ERX-ERNET-AS Education and Research Net
1659 51 1434 33 ERX-TANET-ASN1 Taiwan Academic Network
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 231 180 156 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
2152 156 507 87 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
2920 112 34 6 LACOE, US
21976 86 51 18 NJEDGE-NET, US
22742 70 53 34 CT-EDU-NET, US
3477 68 70 39 NOAA-NWAVE, US
15296 64 5 54 CYBERA, CA
23024 56 4 3 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 177 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 95 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 60 33 58 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 167 49 SUNET SUNET Swedish University Network,
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 187 162 33 Associacao Rede Nacional de Ensino e Pe
11340 94 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
28571 32 26 15 UNIVERSIDADE DE SAO PAULO, BR
20191 31 16 1 Pontificia Universidad Catolica de Chil
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 341 319 71 TENET-1, ZA
327687 136 28 3 RENU, UG
36914 93 82 3 KENET-AS, KE
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 620 2156 457 SINET-AS Research Organization of Infor
7497 427 182 24 CSTNET-AS-AP Computer Network Informati
2018 341 319 71 TENET-1, ZA
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
376 231 180 156 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
1237 188 74 135 KREONET-AS-KR KISTI, KR
1916 187 162 33 Associacao Rede Nacional de Ensino e Pe
786 186 1774 183 JANET Jisc Services Limited, GB
8895 177 24 4 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 427 403 CSTNET-AS-AP Computer Network Information Cente
2018 341 270 TENET-1, ZA
5786 201 200 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 177 173 ISU Internet Services Unit ISU, SA
1916 187 154 Associacao Rede Nacional de Ensino e Pesquisa,
327687 136 133 RENU, UG
18558 136 132 NETBLK-RCOEK, US
2920 112 106 LACOE, US
55824 113 103 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.136.0/24 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.137.0/24 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.138.0/24 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.139.0/24 5078 ONENET-AS-1, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
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
/13:19 /14:33 /15:108 /16:1649 /17:278 /18:304
/19:442 /20:668 /21:735 /22:1117 /23:1182 /24:7493
/25:74 /26:60 /27:55 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 172 177 ISU Internet Services Unit ISU, SA
36914 79 93 KENET-AS, KE
23024 53 56 OCDE, US
327700 36 42 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 29 36 HCCS, US
200521 29 48 SEAP-AGE, ES
1916 27 187 Associacao Rede Nacional de Ensino e Pesquisa,
37215 26 32 MAREN, MW
30220 25 25 SWTELCOOP, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:84 23:3
24:5 31:1 37:6 38:4 41:143 42:9
44:4 45:38 46:6 49:10 58:4 59:10
60:4 61:3 62:6 63:5 64:12 66:23
67:35 68:1 69:17 72:12 74:14 76:17
77:6 78:3 79:10 80:17 81:26 82:2
83:7 84:3 85:28 86:9 87:1 88:1
89:10 91:46 93:18 94:2 95:4 96:5
101:4 102:16 103:206 104:4 106:1 108:4
109:9 110:3 111:16 112:4 114:18 116:5
117:2 118:17 119:19 121:27 122:8 123:8
124:39 128:66 129:33 130:84 131:78 132:54
133:138 134:33 136:192 137:102 138:9 139:4
140:33 141:2 142:21 143:31 144:27 146:120
147:26 148:7 149:12 150:19 151:6 152:23
153:6 154:24 155:36 156:67 157:25 158:39
159:116 160:25 161:16 162:9 163:60 164:19
165:53 166:1 167:16 168:102 169:8 170:43
172:1 173:1 175:21 176:8 177:7 178:1
179:10 180:20 182:6 184:1 185:33 186:1
187:17 188:13 189:3 190:47 191:5 192:1084
193:223 194:111 195:84 196:181 197:5 198:333
199:191 200:218 201:38 202:364 203:280 204:308
205:144 206:140 207:131 208:43 209:87 210:176
211:2 212:171 213:4 216:43 217:14 218:5
219:13 220:9 222:5 223:2
End of report
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