[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Apr 18 17:15:12 UTC 2021
Global R&E Routing Table Report 17:15 GMT Sun 18 Apr, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 15148
Prefixes after maximum aggregation (per Origin AS): 8620
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 9633
Total ASes present in the Internet Routing Table: 2227
Prefixes per ASN: 6.80
Origin-only ASes present in the Internet Routing Table: 1930
Origin ASes announcing only one prefix: 921
Transit ASes present in the Internet Routing Table: 297
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: 35756
Number of 32-bit ASNs visible in the Routing Table: 468
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: 181317344
Equivalent to 10 /8s, 206 /16s and 174 /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: 1848
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4037
Total APNIC prefixes after maximum aggregation: 2127
APNIC Deaggregation factor: 1.90
Prefixes being announced from the APNIC address blocks: 4039
Unique aggregates announced from the APNIC address blocks: 2373
APNIC Region origin ASes present in the Internet Routing Table: 468
APNIC Prefixes per ASN: 8.63
APNIC Region origin ASes announcing only one prefix: 208
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: 168
Number of APNIC addresses announced to Internet: 45483072
Equivalent to 2 /8s, 182 /16s and 4 /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: 5821
Total ARIN prefixes after maximum aggregation: 3430
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 5839
Unique aggregates announced from the ARIN address blocks: 3929
ARIN Region origin ASes present in the Internet Routing Table: 935
ARIN Prefixes per ASN: 6.24
ARIN Region origin ASes announcing only one prefix: 349
ARIN Region transit ASes present in the Internet Routing Table: 113
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: 109
Number of ARIN addresses announced to Internet: 73935680
Equivalent to 4 /8s, 104 /16s and 43 /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: 3032
Total RIPE prefixes after maximum aggregation: 2437
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3024
Unique aggregates announced from the RIPE address blocks: 2530
RIPE Region origin ASes present in the Internet Routing Table: 599
RIPE Prefixes per ASN: 5.05
RIPE Region origin ASes announcing only one prefix: 287
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: 55746720
Equivalent to 3 /8s, 82 /16s and 160 /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: 1060
Total LACNIC prefixes after maximum aggregation: 440
LACNIC Deaggregation factor: 2.41
Prefixes being announced from the LACNIC address blocks: 1059
Unique aggregates announced from the LACNIC address blocks: 532
LACNIC Region origin ASes present in the Internet Routing Table: 140
LACNIC Prefixes per ASN: 7.56
LACNIC Region origin ASes announcing only one prefix: 56
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: 54
Number of LACNIC addresses announced to Internet: 3593920
Equivalent to 0 /8s, 54 /16s and 214 /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: 1187
Total AfriNIC prefixes after maximum aggregation: 176
AfriNIC Deaggregation factor: 6.74
Prefixes being announced from the AfriNIC address blocks: 1187
Unique aggregates announced from the AfriNIC address blocks: 269
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 25.80
AfriNIC Region origin ASes announcing only one prefix: 21
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: 24
Number of AfriNIC addresses announced to Internet: 2557952
Equivalent to 0 /8s, 39 /16s and 8 /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 426 210 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 126 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 198 215 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 30 10 18 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 398 82 3 KENET-AS, KE
2018 322 319 72 TENET-1, ZA
327687 135 28 3 RENU, UG
327700 87 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 17 1 14 TERNET, TZ
37074 11 8 2 UG-AS, GH
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 426 210 22 CSTNET-AS-AP Computer Network Informati
36914 398 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 198 215 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
7497 426 404 CSTNET-AS-AP Computer Network Information Cente
36914 398 395 KENET-AS, KE
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 198 158 Associacao Rede Nacional de Ensino e Pesquisa,
327687 135 132 RENU, UG
18558 134 130 NETBLK-RCOEK, US
2920 112 106 LACOE, US
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 /15:111 /16:1731 /17:296 /18:311
/19:490 /20:704 /21:765 /22:1164 /23:1226 /24:8095
/25:74 /26:58 /27:57 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 370 398 KENET-AS, KE
8895 167 172 ISU Internet Services Unit (ISU), SA
327700 81 87 MoRENet, MZ
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 28 34 HCCS, US
32440 26 39 LONI, US
30220 25 25 SWTELCOOP, US
200521 25 41 SEAP-AGE, ES
1916 24 198 Associacao Rede Nacional de Ensino e Pesquisa,
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 23:1
24:2 31:3 37:6 38:6 41:284 42:8
44:4 45:31 46:6 49:10 58:4 59:20
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 76:29 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 96:5 101:3 102:9 103:218 104:9
106:1 108:8 109:8 110:3 111:16 112:4
114:23 116:4 117:61 118:32 119:18 121:27
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
162:10 163:60 164:35 165:14 166:1 167:11
168:86 169:9 170:38 172:1 173:1 175:20
176:8 177:5 178:1 179:10 180:21 182:5
184:2 185:30 186:3 187:16 188:11 189:6
190:41 191:1 192:1131 193:174 194:96 195:87
196:168 197:193 198:379 199:204 200:234 201:22
202:381 203:281 204:320 205:150 206:155 207:123
208:49 209:96 210:164 211:14 212:166 213:2
216:27 217:15 218:5 219:13 220:21 222:4
223:1
End of report
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