[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Thu May 6 17:15:12 UTC 2021
Global R&E Routing Table Report 17:15 GMT Thu 06 May, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14390
Prefixes after maximum aggregation (per Origin AS): 8292
Deaggregation factor: 1.74
Unique aggregates announced (without unneeded subnets): 9305
Total ASes present in the Internet Routing Table: 2107
Prefixes per ASN: 6.83
Origin-only ASes present in the Internet Routing Table: 1813
Origin ASes announcing only one prefix: 863
Transit ASes present in the Internet Routing Table: 294
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: 17
Max AS path prepend of ASN ( 5474) 11
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 35949
Number of 32-bit ASNs visible in the Routing Table: 438
Prefixes from 32-bit ASNs in the Routing Table: 1260
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: 174075296
Equivalent to 10 /8s, 96 /16s and 45 /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: 1651
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3968
Total APNIC prefixes after maximum aggregation: 2097
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 3970
Unique aggregates announced from the APNIC address blocks: 2355
APNIC Region origin ASes present in the Internet Routing Table: 456
APNIC Prefixes per ASN: 8.71
APNIC Region origin ASes announcing only one prefix: 200
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: 162
Number of APNIC addresses announced to Internet: 45217600
Equivalent to 2 /8s, 177 /16s and 247 /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: 5466
Total ARIN prefixes after maximum aggregation: 3202
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 5472
Unique aggregates announced from the ARIN address blocks: 3665
ARIN Region origin ASes present in the Internet Routing Table: 861
ARIN Prefixes per ASN: 6.36
ARIN Region origin ASes announcing only one prefix: 315
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: 105
Number of ARIN addresses announced to Internet: 68904896
Equivalent to 4 /8s, 27 /16s and 103 /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: 3054
Total RIPE prefixes after maximum aggregation: 2452
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3047
Unique aggregates announced from the RIPE address blocks: 2555
RIPE Region origin ASes present in the Internet Routing Table: 603
RIPE Prefixes per ASN: 5.05
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: 112
Number of RIPE addresses announced to Internet: 55708832
Equivalent to 3 /8s, 82 /16s and 12 /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: 722
Total LACNIC prefixes after maximum aggregation: 357
LACNIC Deaggregation factor: 2.02
Prefixes being announced from the LACNIC address blocks: 722
Unique aggregates announced from the LACNIC address blocks: 435
LACNIC Region origin ASes present in the Internet Routing Table: 100
LACNIC Prefixes per ASN: 7.22
LACNIC Region origin ASes announcing only one prefix: 40
LACNIC Region transit ASes present in the Internet Routing Table: 20
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: 36
Number of LACNIC addresses announced to Internet: 1616384
Equivalent to 0 /8s, 24 /16s and 170 /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: 1179
Total AfriNIC prefixes after maximum aggregation: 183
AfriNIC Deaggregation factor: 6.44
Prefixes being announced from the AfriNIC address blocks: 1179
Unique aggregates announced from the AfriNIC address blocks: 295
AfriNIC Region origin ASes present in the Internet Routing Table: 45
AfriNIC Prefixes per ASN: 26.20
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 9
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: 2627584
Equivalent to 0 /8s, 40 /16s and 24 /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 426 210 22 CSTNET-AS-AP Computer Network Informati
1237 189 75 139 KREONET-AS-KR KISTI, KR
7575 186 331 132 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
4538 163 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 53 3 32 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
376 226 180 149 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
2152 160 507 92 CSUNET-NW, US
18558 136 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 62 70 35 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 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
11340 93 24 53 Red Universitaria Nacional, CL
1251 67 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
1916 57 24 40 Associacao Rede Nacional de Ensino e Pe
2715 48 53 31 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 26 10 19 UNIVERSIDADE DE SAO PAULO, BR
3597 23 2 17 Fundacion InnovaT, AR
28068 21 2 2 Universidad Nacional de San Luis, 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 415 82 3 KENET-AS, KE
2018 321 319 72 TENET-1, ZA
327687 135 28 3 RENU, UG
2561 74 5 34 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 37 16 1 MoRENet, MZ
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
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 618 2155 455 SINET-AS Research Organization of Infor
7497 426 210 22 CSTNET-AS-AP Computer Network Informati
36914 415 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
5786 201 16 1 UPRENET, PR
1237 189 75 139 KREONET-AS-KR KISTI, KR
786 187 1787 185 JANET Jisc Services Limited, GB
7575 186 331 132 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 415 412 KENET-AS, KE
7497 426 404 CSTNET-AS-AP Computer Network Information Cente
2018 321 249 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
18558 136 132 NETBLK-RCOEK, US
327687 135 132 RENU, UG
55824 127 106 NKN-CORE-NW NKN Core Network, IN
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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, 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 /15:102 /16:1657 /17:272 /18:282
/19:463 /20:633 /21:728 /22:1127 /23:1159 /24:7710
/25:76 /26:59 /27:56 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 387 415 KENET-AS, KE
8895 167 172 ISU Internet Services Unit (ISU), SA
23024 53 56 OCDE, US
327700 31 37 MoRENet, MZ
25977 29 32 HCCS, US
1916 25 57 Associacao Rede Nacional de Ensino e Pesquisa,
200521 25 41 SEAP-AGE, ES
2614 24 62 ROEDUNET, RO
37215 23 29 MAREN, MW
3233 21 30 ICI-ROTLD Romanian Natioanal R&D Network, 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 24:2
31:3 37:6 38:4 41:228 42:8 44:4
45:32 46:6 49:10 58:4 59:10 60:4
61:3 62:6 63:4 64:12 65:1 66:7
67:36 68:1 69:14 71:1 72:11 74:8
76:5 77:4 78:3 79:10 80:11 81:29
82:2 83:8 84:3 85:23 86:6 87:1
88:1 89:10 91:44 93:11 94:2 95:3
96:5 101:3 102:8 103:209 104:9 106:1
108:2 109:8 110:3 111:16 112:4 114:21
116:4 117:61 118:17 119:18 121:27 122:8
123:8 124:40 125:1 128:66 129:36 130:82
131:88 132:53 133:137 134:84 136:191 137:105
138:13 139:4 140:31 141:2 142:26 143:32
144:27 146:118 147:28 148:7 149:12 150:17
151:5 152:64 153:5 154:24 155:39 156:64
157:25 158:41 159:112 160:25 161:16 162:8
163:60 164:36 165:14 166:1 167:15 168:86
169:8 170:41 172:1 173:2 175:20 176:8
177:3 178:1 179:6 180:21 182:5 184:3
185:35 186:2 188:11 190:41 192:1099 193:218
194:100 195:87 196:167 197:200 198:360 199:197
200:131 201:6 202:380 203:286 204:315 205:140
206:141 207:122 208:46 209:93 210:178 211:13
212:165 213:4 216:27 217:15 218:5 219:13
220:12 222:4 223:2
End of report
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