[REN-BGP-stats-all] IPv4 R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Feb 17 17:05:29 UTC 2022
IPv4 R&E Routing Table Report 17:05 GMT Thu 17 Feb, 2022
BGP Table (R&E) as seen at ASREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14025
Prefixes after maximum aggregation (per Origin AS): 8460
Deaggregation factor: 1.66
Unique aggregates announced (without unneeded subnets): 9240
Number of IPv4 prefixes with a valid ROA: 3228
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 10797
Total ASes present in the Internet Routing Table: 2223
Prefixes per ASN: 6.31
Origin-only ASes present in the Internet Routing Table: 1934
Origin ASes announcing only one prefix: 917
Transit ASes present in the Internet Routing Table: 289
Transit-only ASes present in the Internet Routing Table: 33
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 14
Max AS path prepend of ASN ( 5474) 11
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 38574
Number of 32-bit ASNs visible in the Routing Table: 509
Prefixes from 32-bit ASNs in the Routing Table: 1382
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1
Number of addresses announced to Internet: 176603904
Equivalent to 10 /8s, 134 /16s and 195 /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: 1408
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3323
Total APNIC prefixes after maximum aggregation: 1753
APNIC Deaggregation factor: 1.90
Prefixes being announced from the APNIC address blocks: 3324
Unique aggregates announced from the APNIC address blocks: 1902
APNIC Region origin ASes present in the Internet Routing Table: 432
APNIC Prefixes per ASN: 7.69
APNIC Region origin ASes announcing only one prefix: 192
APNIC Region transit ASes present in the Internet Routing Table: 50
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 170
Number of APNIC addresses announced to Internet: 38304736
Equivalent to 2 /8s, 72 /16s and 123 /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, 131072-151865
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: 6292
Total ARIN prefixes after maximum aggregation: 3750
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 6305
Unique aggregates announced from the ARIN address blocks: 4186
ARIN Region origin ASes present in the Internet Routing Table: 997
ARIN Prefixes per ASN: 6.32
ARIN Region origin ASes announcing only one prefix: 366
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: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 135
Number of ARIN addresses announced to Internet: 78499136
Equivalent to 4 /8s, 173 /16s and 205 /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: 2815
Total RIPE prefixes after maximum aggregation: 2395
RIPE Deaggregation factor: 1.18
Prefixes being announced from the RIPE address blocks: 2806
Unique aggregates announced from the RIPE address blocks: 2436
RIPE Region origin ASes present in the Internet Routing Table: 565
RIPE Prefixes per ASN: 4.97
RIPE Region origin ASes announcing only one prefix: 275
RIPE Region transit ASes present in the Internet Routing Table: 87
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 119
Number of RIPE addresses announced to Internet: 55157504
Equivalent to 3 /8s, 73 /16s and 163 /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: 1113
Total LACNIC prefixes after maximum aggregation: 465
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1111
Unique aggregates announced from the LACNIC address blocks: 559
LACNIC Region origin ASes present in the Internet Routing Table: 150
LACNIC Prefixes per ASN: 7.41
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 23
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: 60
Number of LACNIC addresses announced to Internet: 3714016
Equivalent to 0 /8s, 56 /16s and 171 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 478
Total AfriNIC prefixes after maximum aggregation: 93
AfriNIC Deaggregation factor: 5.14
Prefixes being announced from the AfriNIC address blocks: 478
Unique aggregates announced from the AfriNIC address blocks: 156
AfriNIC Region origin ASes present in the Internet Routing Table: 42
AfriNIC Prefixes per ASN: 11.38
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 928256
Equivalent to 0 /8s, 14 /16s and 42 /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 577 2156 458 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
4538 176 4192 72 ERX-CERNET-BKB China Education and Rese
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
55824 115 18 11 NKN-CORE-NW NKN Core Network, IN
2697 53 3 32 ERX-ERNET-AS Education and Research Net
132524 49 9 11 TIFR-AS Tata Institute of Fundamental R
45773 47 3 5 HECPERN-AS-PK PERN AS Content Servie Pr
24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeas
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
376 200 178 150 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 144 507 86 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 111 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3477 76 71 45 NOAA-NWAVE, US
22742 69 53 34 CT-EDU-NET, 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
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 65 32 56 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 51 167 48 SUNET SUNET Swedish University Network,
1741 40 165 19 FUNETAS, FI
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 197 207 41 Rede Nacional de Ensino e Pesquisa, BR
11340 94 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28571 35 26 15 UNIVERSIDADE DE SAO PAULO, BR
20191 31 16 1 Pontificia Universidad Catolica de Chil
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, 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 194 82 3 KENET-AS, KE
2561 73 5 32 EUN, EG
327687 40 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37074 10 7 7 UG-AS, GH
31960 5 1 1 EMUNET, MZ
328358 5 1 1 Makerere-AS, UG
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 577 2156 458 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
376 200 178 150 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
1916 197 207 41 Rede Nacional de Ensino e Pesquisa, BR
36914 194 82 3 KENET-AS, KE
786 186 1774 183 JANET Jisc Services Limited, GB
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
4538 176 4192 72 ERX-CERNET-BKB China Education and Rese
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 432 408 CSTNET-AS-AP Computer Network Information Cente
5786 200 199 UPRENET, PR
36914 194 191 KENET-AS, KE
58647 177 175 KAGAWAU-AS Kagawa University, JP
1916 197 156 Rede Nacional de Ensino e Pesquisa, BR
18558 136 132 NETBLK-RCOEK, US
2920 111 105 LACOE, US
4538 176 104 ERX-CERNET-BKB China Education and Research Net
55824 115 104 NKN-CORE-NW NKN Core Network, IN
1736 80 79 MU-AS, 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
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-add-IANA
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 /11:0 /12:9
/13:16 /14:33 /15:102 /16:1741 /17:310 /18:327
/19:453 /20:671 /21:703 /22:1113 /23:1152 /24:7255
/25:42 /26:50 /27:45 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 181 194 KENET-AS, KE
23024 53 56 OCDE, US
327700 30 34 MoRENet, MZ
25977 29 43 HCCS, US
32440 29 43 LONI, US
37215 28 33 MAREN, MW
1916 26 197 Rede Nacional de Ensino e Pesquisa, BR
2614 21 65 ROEDUNET, RO
31638 21 21 ASN-LEPIDA, IT
3233 19 29 ICI-ROTLD Romanian National 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 14:85 23:3
24:3 31:1 37:6 38:6 40:1 41:141
42:10 44:4 45:29 46:6 49:10 58:7
59:8 60:4 61:2 62:6 63:3 64:25
66:13 67:40 68:1 69:18 70:1 71:1
72:10 74:16 76:33 77:7 78:3 79:10
80:7 81:28 82:1 83:6 84:3 85:19
86:4 87:1 88:1 89:10 91:32 93:18
94:2 95:4 96:5 101:4 102:12 103:236
104:7 106:1 108:8 109:3 110:3 111:16
112:4 114:1 116:5 118:17 119:22 121:27
122:8 123:8 124:39 125:1 128:63 129:31
130:90 131:83 132:53 133:139 134:69 136:191
137:86 138:8 139:4 140:33 141:2 142:41
143:23 144:23 145:2 146:113 147:25 148:7
149:13 150:10 151:6 152:62 153:6 154:3
155:39 156:67 157:26 158:39 159:115 160:25
161:18 162:16 163:59 164:23 165:17 166:2
167:16 168:52 169:10 170:44 172:2 173:2
175:19 177:10 178:1 179:8 180:16 182:6
184:2 185:27 186:3 187:2 188:12 189:5
190:42 191:10 192:1219 193:226 194:95 195:75
196:25 197:106 198:381 199:211 200:231 201:24
202:351 203:196 204:302 205:143 206:158 207:140
208:56 209:95 210:89 212:21 213:2 216:56
217:14 218:3 219:11 220:2 222:3 223:4
End of report
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