[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Apr 16 17:15:11 UTC 2021
Global R&E Routing Table Report 17:15 GMT Fri 16 Apr, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 15105
Prefixes after maximum aggregation (per Origin AS): 8625
Deaggregation factor: 1.75
Unique aggregates announced (without unneeded subnets): 9658
Total ASes present in the Internet Routing Table: 2228
Prefixes per ASN: 6.78
Origin-only ASes present in the Internet Routing Table: 1930
Origin ASes announcing only one prefix: 925
Transit ASes present in the Internet Routing Table: 298
Transit-only ASes present in the Internet Routing Table: 36
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: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 35730
Number of 32-bit ASNs visible in the Routing Table: 467
Prefixes from 32-bit ASNs in the Routing Table: 1394
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: 181327072
Equivalent to 10 /8s, 206 /16s and 212 /24s
Percentage of available address space announced: 4.9
Percentage of allocated address space announced: 4.9
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: 1859
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3982
Total APNIC prefixes after maximum aggregation: 2126
APNIC Deaggregation factor: 1.87
Prefixes being announced from the APNIC address blocks: 3984
Unique aggregates announced from the APNIC address blocks: 2391
APNIC Region origin ASes present in the Internet Routing Table: 461
APNIC Prefixes per ASN: 8.64
APNIC Region origin ASes announcing only one prefix: 204
APNIC Region transit ASes present in the Internet Routing Table: 48
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: 45468224
Equivalent to 2 /8s, 181 /16s and 202 /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, 131072-143673
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: 5830
Total ARIN prefixes after maximum aggregation: 3431
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 5848
Unique aggregates announced from the ARIN address blocks: 3933
ARIN Region origin ASes present in the Internet Routing Table: 941
ARIN Prefixes per ASN: 6.21
ARIN Region origin ASes announcing only one prefix: 355
ARIN Region transit ASes present in the Internet Routing Table: 114
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: 110
Number of ARIN addresses announced to Internet: 74019648
Equivalent to 4 /8s, 105 /16s and 115 /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: 3034
Total RIPE prefixes after maximum aggregation: 2439
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3026
Unique aggregates announced from the RIPE address blocks: 2532
RIPE Region origin ASes present in the Internet Routing Table: 600
RIPE Prefixes per ASN: 5.04
RIPE Region origin ASes announcing only one prefix: 288
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 113
Number of RIPE addresses announced to Internet: 55747232
Equivalent to 3 /8s, 82 /16s and 162 /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: 1054
Total LACNIC prefixes after maximum aggregation: 440
LACNIC Deaggregation factor: 2.40
Prefixes being announced from the LACNIC address blocks: 1053
Unique aggregates announced from the LACNIC address blocks: 529
LACNIC Region origin ASes present in the Internet Routing Table: 139
LACNIC Prefixes per ASN: 7.58
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 21
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 55
Number of LACNIC addresses announced to Internet: 3528640
Equivalent to 0 /8s, 53 /16s and 215 /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: 1194
Total AfriNIC prefixes after maximum aggregation: 179
AfriNIC Deaggregation factor: 6.67
Prefixes being announced from the AfriNIC address blocks: 1194
Unique aggregates announced from the AfriNIC address blocks: 273
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 24.88
AfriNIC Region origin ASes announcing only one prefix: 24
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: 2563328
Equivalent to 0 /8s, 39 /16s and 29 /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 619 2156 456 SINET-AS Research Organization of Infor
7497 424 210 22 CSTNET-AS-AP Computer Network Informati
1237 186 75 132 KREONET-AS-KR KISTI, KR
7575 186 347 132 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
4538 158 4192 72 ERX-CERNET-BKB China Education and Rese
55824 127 18 21 NKN-CORE-NW NKN Core Network, IN
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 55 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
2697 55 3 31 ERX-ERNET-AS Education and Research Net
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
376 234 180 156 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
2152 160 507 92 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
2920 112 34 6 LACOE, US
21976 86 51 18 NJEDGE-NET, US
22742 84 61 45 CT-EDU-NET, US
1736 80 16 1 MU-AS, US
15296 65 5 54 CYBERA, CA
3477 63 70 37 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
559 115 550 106 SWITCH Peering requests: (peering at switc
1103 95 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 67 647 62 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 49 151 48 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 193 215 40 Associacao Rede Nacional de Ensino e Pe
11340 94 24 54 Red Universitaria Nacional, CL
1251 67 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 31 10 19 UNIVERSIDADE DE SAO PAULO, BR
3597 23 2 17 Fundacion InnovaT, AR
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 411 82 3 KENET-AS, KE
2018 322 319 72 TENET-1, ZA
327687 136 28 3 RENU, UG
327700 85 16 1 MoRENet, MZ
8094 55 48 4 PUKNET, ZA
2561 32 2 13 EUN, EG
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 20 2 16 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 619 2156 456 SINET-AS Research Organization of Infor
7497 424 210 22 CSTNET-AS-AP Computer Network Informati
36914 411 82 3 KENET-AS, KE
2018 322 319 72 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
376 234 180 156 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
1916 193 215 40 Associacao Rede Nacional de Ensino e Pe
786 187 1787 185 JANET Jisc Services Limited, GB
1237 186 75 132 KREONET-AS-KR KISTI, KR
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 411 408 KENET-AS, KE
7497 424 402 CSTNET-AS-AP Computer Network Information Cente
2018 322 250 TENET-1, ZA
5786 201 200 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 172 168 ISU Internet Services Unit (ISU), SA
1916 193 153 Associacao Rede Nacional de Ensino e Pesquisa,
327687 136 133 RENU, UG
18558 134 130 NETBLK-RCOEK, US
55824 127 106 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
19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.23.0/24 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
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 199.44.67.0/24 11096 FLORIDANET, 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 /15:110 /16:1729 /17:299 /18:308
/19:484 /20:699 /21:761 /22:1156 /23:1224 /24:8085
/25:74 /26:57 /27:53 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 383 411 KENET-AS, KE
8895 167 172 ISU Internet Services Unit (ISU), SA
327700 79 85 MoRENet, MZ
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 28 34 HCCS, US
32440 28 43 LONI, US
200521 26 42 SEAP-AGE, ES
30220 25 25 SWTELCOOP, US
2614 24 62 ROEDUNET, RO
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 14:84 23:1
24:2 31:3 37:6 38:6 41:289 42:8
44:4 45:29 46:6 49:10 58:4 59:11
60:4 61:3 62:6 63:4 64:25 65:2
66:25 67:40 68:1 69:13 71:1 72:11
74:9 76:31 77:4 78:3 79:10 80:12
81:30 82:1 83:8 84:3 85:23 86:6
87:1 88:1 89:10 91:46 93:12 94:2
95:3 96:5 101:3 102:8 103:216 104:9
106:1 108:8 109:8 110:3 111:16 112:4
114:23 116:5 117:61 118:17 119:18 121:27
122:9 123:8 124:40 125:1 128:67 129:36
130:91 131:89 132:55 133:137 134:85 136:191
137:103 138:13 139:4 140:32 141:2 142:28
143:32 144:27 146:121 147:32 148:6 149:13
150:34 151:5 152:65 153:5 154:24 155:53
156:64 157:25 158:40 159:112 160:26 161:15
162:12 163:60 164:35 165:14 166:1 167:15
168:86 169:9 170:38 172:1 173:1 175:20
176:8 177:5 178:1 179:10 180:21 182:5
184:2 185:31 186:3 187:16 188:11 189:6
190:41 191:1 192:1132 193:174 194:96 195:88
196:170 197:202 198:381 199:203 200:230 201:22
202:375 203:281 204:320 205:150 206:155 207:123
208:49 209:96 210:163 211:14 212:166 213:2
216:27 217:15 218:5 219:13 220:21 222:4
223:1
End of report
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