[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Jun 10 16:15:12 UTC 2021
Global R&E Routing Table Report 16:15 GMT Thu 10 Jun, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14704
Prefixes after maximum aggregation (per Origin AS): 8533
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 9497
Total ASes present in the Internet Routing Table: 2157
Prefixes per ASN: 6.82
Origin-only ASes present in the Internet Routing Table: 1858
Origin ASes announcing only one prefix: 889
Transit ASes present in the Internet Routing Table: 299
Transit-only ASes present in the Internet Routing Table: 33
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 17
Max AS path prepend of ASN ( 5474) 11
Prefixes from unregistered ASNs in the Routing Table: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 36282
Number of 32-bit ASNs visible in the Routing Table: 455
Prefixes from 32-bit ASNs in the Routing Table: 1356
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: 1
Number of addresses announced to Internet: 177226880
Equivalent to 10 /8s, 144 /16s and 68 /24s
Percentage of available address space announced: 4.8
Percentage of allocated address space announced: 4.8
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: 1751
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3958
Total APNIC prefixes after maximum aggregation: 2089
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 3960
Unique aggregates announced from the APNIC address blocks: 2341
APNIC Region origin ASes present in the Internet Routing Table: 458
APNIC Prefixes per ASN: 8.65
APNIC Region origin ASes announcing only one prefix: 198
APNIC Region transit ASes present in the Internet Routing Table: 47
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 166
Number of APNIC addresses announced to Internet: 45288768
Equivalent to 2 /8s, 179 /16s and 13 /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, 131072-147769
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: 5548
Total ARIN prefixes after maximum aggregation: 3323
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 5559
Unique aggregates announced from the ARIN address blocks: 3787
ARIN Region origin ASes present in the Internet Routing Table: 860
ARIN Prefixes per ASN: 6.46
ARIN Region origin ASes announcing only one prefix: 317
ARIN Region transit ASes present in the Internet Routing Table: 116
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 104
Number of ARIN addresses announced to Internet: 70765920
Equivalent to 4 /8s, 55 /16s and 205 /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: 3155
Total RIPE prefixes after maximum aggregation: 2530
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3150
Unique aggregates announced from the RIPE address blocks: 2595
RIPE Region origin ASes present in the Internet Routing Table: 633
RIPE Prefixes per ASN: 4.98
RIPE Region origin ASes announcing only one prefix: 303
RIPE Region transit ASes present in the Internet Routing Table: 99
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: 117
Number of RIPE addresses announced to Internet: 56190336
Equivalent to 3 /8s, 89 /16s and 101 /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: 921
Total LACNIC prefixes after maximum aggregation: 426
LACNIC Deaggregation factor: 2.16
Prefixes being announced from the LACNIC address blocks: 919
Unique aggregates announced from the LACNIC address blocks: 540
LACNIC Region origin ASes present in the Internet Routing Table: 124
LACNIC Prefixes per ASN: 7.41
LACNIC Region origin ASes announcing only one prefix: 51
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: 45
Number of LACNIC addresses announced to Internet: 2375008
Equivalent to 0 /8s, 36 /16s and 61 /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: 1115
Total AfriNIC prefixes after maximum aggregation: 159
AfriNIC Deaggregation factor: 7.01
Prefixes being announced from the AfriNIC address blocks: 1115
Unique aggregates announced from the AfriNIC address blocks: 233
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 24.24
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 23
Number of AfriNIC addresses announced to Internet: 2602752
Equivalent to 0 /8s, 39 /16s and 183 /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 618 2155 455 SINET-AS Research Organization of Infor
7497 425 210 22 CSTNET-AS-AP Computer Network Informati
1237 192 75 137 KREONET-AS-KR KISTI, KR
7575 182 331 126 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
4538 168 4192 72 ERX-CERNET-BKB China Education and Rese
55824 127 19 22 NKN-CORE-NW NKN Core Network, IN
1659 55 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
2697 55 3 31 ERX-ERNET-AS Education and Research Net
23570 53 4 20 INCHEON-AS-KR UNIVERSITY OF INCHEON, 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
376 226 180 149 RISQ-AS, CA
5786 185 16 1 UPRENET, PR
2152 160 507 92 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
270 117 297 87 AS270, US
2920 112 34 6 LACOE, US
21976 86 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
22742 66 51 32 CT-EDU-NET, US
3477 65 71 39 NOAA-NWAVE, 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
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
786 187 1787 185 JANET Jisc Services Limited, GB
8895 172 24 4 ISU Internet Services Unit (ISU), SA
559 116 550 107 SWITCH Peering requests: (peering at switc
1103 96 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 62 32 59 ROEDUNET, RO
1930 56 82 51 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 151 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 120 120 47 Associacao Rede Nacional de Ensino e Pe
11340 94 24 54 Red Universitaria Nacional, CL
1251 66 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 51 53 33 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 27 26 15 UNIVERSIDADE DE SAO PAULO, BR
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
36914 409 82 3 KENET-AS, KE
2018 321 319 72 TENET-1, ZA
327687 137 28 3 RENU, UG
8094 55 48 4 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
37182 10 8 1 TERNET, TZ
36982 8 33 8 UCT, 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 618 2155 455 SINET-AS Research Organization of Infor
7497 425 210 22 CSTNET-AS-AP Computer Network Informati
36914 409 82 3 KENET-AS, KE
2018 321 319 72 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
376 226 180 149 RISQ-AS, CA
1237 192 75 137 KREONET-AS-KR KISTI, KR
786 187 1787 185 JANET Jisc Services Limited, GB
5786 185 16 1 UPRENET, PR
7575 182 331 126 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 409 406 KENET-AS, KE
7497 425 403 CSTNET-AS-AP Computer Network Information Cente
2018 321 249 TENET-1, ZA
5786 185 184 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 172 168 ISU Internet Services Unit (ISU), SA
327687 137 134 RENU, UG
18558 137 133 NETBLK-RCOEK, US
2920 112 106 LACOE, US
55824 127 105 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
36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
328439 UNALLOCATED 164.160.240.0/20 327992 GHANAIAN-ACADEMIC-AND-RESEAR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.240.0/20 Origin: 328439 UNASSIGNED
Transit: 327992 GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK,
Complete listing at https://bgp.nsrc.org/REN/ASREN/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
/13:19 /14:35 /15:103 /16:1682 /17:274 /18:302
/19:474 /20:661 /21:745 /22:1153 /23:1202 /24:7852
/25:78 /26:59 /27:51 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 383 409 KENET-AS, KE
8895 167 172 ISU Internet Services Unit (ISU), SA
23024 53 56 OCDE, US
327700 32 38 MoRENet, MZ
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
25977 29 32 HCCS, US
200521 26 42 SEAP-AGE, ES
1916 24 120 Associacao Rede Nacional de Ensino e Pesquisa,
2614 24 62 ROEDUNET, RO
37215 23 29 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 8:2 12:1 14:83 24:2
31:3 37:6 38:4 41:237 42:9 44:4
45:37 46:6 49:10 58:4 59:10 60:4
61:3 62:6 63:4 64:13 66:6 67:35
68:1 69:13 71:1 72:11 74:8 76:6
77:5 78:3 79:10 80:12 81:29 82:2
83:7 84:3 85:29 86:9 87:1 88:1
89:10 91:46 93:11 94:2 95:3 96:5
101:3 102:8 103:209 104:9 106:1 108:3
109:8 110:3 111:16 112:4 114:21 116:4
117:55 118:17 119:18 121:27 122:8 123:8
124:40 125:1 128:66 129:32 130:82 131:84
132:49 133:137 134:84 136:175 137:137 138:12
139:4 140:31 141:2 142:40 143:34 144:27
146:121 147:27 148:7 149:12 150:18 151:5
152:65 153:6 154:24 155:33 156:64 157:25
158:41 159:113 160:26 161:16 162:8 163:60
164:35 165:14 167:15 168:97 169:9 170:37
172:1 173:1 175:20 176:8 177:4 178:1
179:6 180:21 182:5 184:6 185:35 186:2
187:1 188:13 190:67 191:25 192:1207 193:180
194:110 195:61 196:169 197:197 198:332 199:185
200:161 201:7 202:382 203:287 204:311 205:143
206:144 207:120 208:47 209:93 210:174 211:2
212:165 213:4 216:30 217:16 218:5 219:13
220:15 222:4 223:2
End of report
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