[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Fri May 14 16:15:13 UTC 2021
Global R&E Routing Table Report 16:15 GMT Fri 14 May, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14485
Prefixes after maximum aggregation (per Origin AS): 8405
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 9332
Total ASes present in the Internet Routing Table: 2133
Prefixes per ASN: 6.79
Origin-only ASes present in the Internet Routing Table: 1837
Origin ASes announcing only one prefix: 881
Transit ASes present in the Internet Routing Table: 296
Transit-only ASes present in the Internet Routing Table: 39
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: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 36001
Number of 32-bit ASNs visible in the Routing Table: 447
Prefixes from 32-bit ASNs in the Routing Table: 1320
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: 176708288
Equivalent to 10 /8s, 136 /16s and 90 /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: 1703
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3878
Total APNIC prefixes after maximum aggregation: 2057
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 3880
Unique aggregates announced from the APNIC address blocks: 2236
APNIC Region origin ASes present in the Internet Routing Table: 460
APNIC Prefixes per ASN: 8.43
APNIC Region origin ASes announcing only one prefix: 205
APNIC Region transit ASes present in the Internet Routing Table: 49
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: 44893152
Equivalent to 2 /8s, 173 /16s and 3 /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: 5649
Total ARIN prefixes after maximum aggregation: 3343
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 5661
Unique aggregates announced from the ARIN address blocks: 3818
ARIN Region origin ASes present in the Internet Routing Table: 873
ARIN Prefixes per ASN: 6.48
ARIN Region origin ASes announcing only one prefix: 319
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: 71724288
Equivalent to 4 /8s, 70 /16s and 109 /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: 3076
Total RIPE prefixes after maximum aggregation: 2470
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3070
Unique aggregates announced from the RIPE address blocks: 2570
RIPE Region origin ASes present in the Internet Routing Table: 610
RIPE Prefixes per ASN: 5.03
RIPE Region origin ASes announcing only one prefix: 293
RIPE Region transit ASes present in the Internet Routing Table: 99
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: 55863968
Equivalent to 3 /8s, 84 /16s and 106 /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: 763
Total LACNIC prefixes after maximum aggregation: 372
LACNIC Deaggregation factor: 2.05
Prefixes being announced from the LACNIC address blocks: 761
Unique aggregates announced from the LACNIC address blocks: 476
LACNIC Region origin ASes present in the Internet Routing Table: 104
LACNIC Prefixes per ASN: 7.32
LACNIC Region origin ASes announcing only one prefix: 45
LACNIC Region transit ASes present in the Internet Routing Table: 20
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 40
Number of LACNIC addresses announced to Internet: 1588544
Equivalent to 0 /8s, 24 /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: 1113
Total AfriNIC prefixes after maximum aggregation: 158
AfriNIC Deaggregation factor: 7.04
Prefixes being announced from the AfriNIC address blocks: 1113
Unique aggregates announced from the AfriNIC address blocks: 232
AfriNIC Region origin ASes present in the Internet Routing Table: 45
AfriNIC Prefixes per ASN: 24.73
AfriNIC Region origin ASes announcing only one prefix: 19
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: 22
Number of AfriNIC addresses announced to Internet: 2638336
Equivalent to 0 /8s, 40 /16s and 66 /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 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
1659 55 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
2697 55 3 31 ERX-ERNET-AS Education and Research Net
38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Su
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
376 227 180 149 RISQ-AS, CA
5786 201 16 1 UPRENET, PR
2152 160 507 92 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 117 297 87 AS270, 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
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 50 151 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
1916 58 24 41 Associacao Rede Nacional de Ensino e Pe
2715 49 53 32 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 26 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 413 82 3 KENET-AS, KE
2018 320 319 72 TENET-1, ZA
327687 135 28 3 RENU, UG
8094 55 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37074 8 7 6 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 618 2155 455 SINET-AS Research Organization of Infor
7497 425 210 22 CSTNET-AS-AP Computer Network Informati
36914 413 82 3 KENET-AS, KE
2018 320 319 72 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
376 227 180 149 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 413 410 KENET-AS, KE
7497 425 403 CSTNET-AS-AP Computer Network Information Cente
2018 320 248 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
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
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 /14:35 /15:102 /16:1683 /17:280 /18:286
/19:454 /20:631 /21:731 /22:1136 /23:1175 /24:7747
/25:76 /26:60 /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 385 413 KENET-AS, KE
8895 167 172 ISU Internet Services Unit (ISU), SA
23024 53 56 OCDE, US
327700 33 39 MoRENet, MZ
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
25977 29 32 HCCS, US
1916 25 58 Associacao Rede Nacional de Ensino e Pesquisa,
200521 25 41 SEAP-AGE, ES
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 14:84 24:2
31:3 37:6 38:4 41:234 42:8 44:4
45:34 46:6 49:10 58:4 59:19 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
76:6 77:5 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
96:5 101:3 102:8 103:220 104:9 106:1
108:3 109:8 110:3 111:16 112:4 114:18
116:4 117:2 118:32 119:18 121:27 122:8
124:40 125:1 128:66 129:37 130:82 131:85
132:52 133:137 134:84 136:191 137:114 138:9
139:4 140:31 141:2 142:26 143:32 144:27
146:121 147:24 148:7 149:12 150:17 151:5
152:65 153:5 154:24 155:38 156:64 157:25
158:41 159:112 160:25 161:16 162:8 163:60
164:35 165:14 166:1 167:15 168:96 169:8
170:41 172:1 173:1 175:20 176:8 177:3
178:1 179:6 180:21 182:5 184:4 185:35
186:2 188:12 190:42 191:25 192:1187 193:178
194:103 195:65 196:169 197:200 198:352 199:191
200:134 201:7 202:380 203:285 204:319 205:140
206:144 207:122 208:47 209:93 210:177 211:13
212:165 213:4 216:27 217:15 218:5 219:13
220:9 222:4 223:2
End of report
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