[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Tue May 4 17:15:11 UTC 2021
Global R&E Routing Table Report 17:15 GMT Tue 04 May, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14139
Prefixes after maximum aggregation (per Origin AS): 8132
Deaggregation factor: 1.74
Unique aggregates announced (without unneeded subnets): 9182
Total ASes present in the Internet Routing Table: 2059
Prefixes per ASN: 6.87
Origin-only ASes present in the Internet Routing Table: 1770
Origin ASes announcing only one prefix: 852
Transit ASes present in the Internet Routing Table: 289
Transit-only ASes present in the Internet Routing Table: 40
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: 35914
Number of 32-bit ASNs visible in the Routing Table: 430
Prefixes from 32-bit ASNs in the Routing Table: 1306
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: 171897664
Equivalent to 10 /8s, 62 /16s and 243 /24s
Percentage of available address space announced: 4.6
Percentage of allocated address space announced: 4.6
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: 1672
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3938
Total APNIC prefixes after maximum aggregation: 2079
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 3940
Unique aggregates announced from the APNIC address blocks: 2332
APNIC Region origin ASes present in the Internet Routing Table: 454
APNIC Prefixes per ASN: 8.68
APNIC Region origin ASes announcing only one prefix: 202
APNIC Region transit ASes present in the Internet Routing Table: 46
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: 161
Number of APNIC addresses announced to Internet: 45018176
Equivalent to 2 /8s, 174 /16s and 236 /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: 5374
Total ARIN prefixes after maximum aggregation: 3126
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 5380
Unique aggregates announced from the ARIN address blocks: 3620
ARIN Region origin ASes present in the Internet Routing Table: 842
ARIN Prefixes per ASN: 6.39
ARIN Region origin ASes announcing only one prefix: 306
ARIN Region transit ASes present in the Internet Routing Table: 112
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: 67197664
Equivalent to 4 /8s, 1 /16s and 90 /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: 3051
Total RIPE prefixes after maximum aggregation: 2453
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3045
Unique aggregates announced from the RIPE address blocks: 2552
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: 97
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: 55711392
Equivalent to 3 /8s, 82 /16s and 22 /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: 536
Total LACNIC prefixes after maximum aggregation: 275
LACNIC Deaggregation factor: 1.95
Prefixes being announced from the LACNIC address blocks: 535
Unique aggregates announced from the LACNIC address blocks: 363
LACNIC Region origin ASes present in the Internet Routing Table: 72
LACNIC Prefixes per ASN: 7.43
LACNIC Region origin ASes announcing only one prefix: 34
LACNIC Region transit ASes present in the Internet Routing Table: 18
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 29
Number of LACNIC addresses announced to Internet: 1354368
Equivalent to 0 /8s, 20 /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: 1239
Total AfriNIC prefixes after maximum aggregation: 198
AfriNIC Deaggregation factor: 6.26
Prefixes being announced from the AfriNIC address blocks: 1239
Unique aggregates announced from the AfriNIC address blocks: 315
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 26.36
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 11
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: 2616064
Equivalent to 0 /8s, 39 /16s and 235 /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 609 2155 447 SINET-AS Research Organization of Infor
7497 423 210 22 CSTNET-AS-AP Computer Network Informati
1237 189 75 139 KREONET-AS-KR KISTI, KR
7575 187 331 133 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 54 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 59 54 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 94 24 54 Red Universitaria Nacional, CL
1251 67 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 48 53 31 Fundacao Carlos Chagas Filho de Amparo
61468 41 3 15 CEDIA, EC
1916 39 23 27 Associacao Rede Nacional de Ensino e Pe
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 31 10 19 UNIVERSIDADE DE SAO PAULO, BR
28027 18 2 5 Escuela Superior Politecnica del Litora
52888 16 7 9 UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
278 11 16 3 Universidad Nacional Autonoma de Mexico
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 322 319 72 TENET-1, ZA
327687 134 28 3 RENU, UG
327700 83 16 1 MoRENet, MZ
2561 74 5 34 EUN, EG
8094 55 48 4 PUKNET, ZA
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 20 1 15 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 609 2155 447 SINET-AS Research Organization of Infor
7497 423 210 22 CSTNET-AS-AP Computer Network Informati
36914 409 82 3 KENET-AS, KE
2018 322 319 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 187 331 133 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 423 401 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
18558 136 132 NETBLK-RCOEK, US
327687 134 131 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 /16:1631 /17:264 /18:275
/19:456 /20:609 /21:701 /22:1097 /23:1140 /24:7606
/25:76 /26:59 /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 381 409 KENET-AS, KE
8895 167 172 ISU Internet Services Unit (ISU), SA
327700 77 83 MoRENet, MZ
23024 53 56 OCDE, US
25977 29 32 HCCS, US
1916 25 39 Associacao Rede Nacional de Ensino e Pesquisa,
2614 24 62 ROEDUNET, RO
37215 23 29 MAREN, MW
200521 22 38 SEAP-AGE, ES
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 41:289 42:8 44:4
45:37 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 69:9 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
96:5 101:3 102:9 103:208 104:9 106:1
108:2 109:8 110:3 111:17 112:4 114:21
116:4 117:61 118:17 119:18 121:27 122:8
123:8 124:40 125:1 128:66 129:36 130:82
131:88 132:53 133:137 134:85 136:191 137:102
138:11 139:4 140:31 141:2 142:26 143:32
144:27 146:118 147:28 148:7 149:12 150:34
151:5 152:64 153:5 154:24 155:39 156:64
157:25 158:41 159:111 160:25 161:16 162:8
163:57 164:34 165:14 166:1 167:15 168:65
169:8 170:5 172:1 173:2 175:20 176:8
177:2 178:1 179:6 180:21 182:5 184:2
185:34 186:2 188:11 190:26 192:1093 193:218
194:100 195:88 196:168 197:199 198:358 199:187
200:75 201:6 202:372 203:280 204:314 205:140
206:141 207:118 208:47 209:92 210:177 211:13
212:163 213:4 216:24 217:15 218:5 219:13
220:12 222:4 223:2
End of report
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