[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Feb 26 18:30:30 UTC 2022
IPv4 R&E Routing Table Report 18:30 GMT Sat 26 Feb, 2022
BGP Table (R&E) as seen at UbuntuNet Alliance.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 17607
Prefixes after maximum aggregation (per Origin AS): 10191
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 11389
Number of IPv4 prefixes with a valid ROA: 3645
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 13962
Total ASes present in the Internet Routing Table: 2723
Prefixes per ASN: 6.47
Origin-only ASes present in the Internet Routing Table: 2348
Origin ASes announcing only one prefix: 1099
Transit ASes present in the Internet Routing Table: 375
Transit-only ASes present in the Internet Routing Table: 57
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 14
Max AS path prepend of ASN ( 10497) 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: 38664
Number of 32-bit ASNs visible in the Routing Table: 625
Prefixes from 32-bit ASNs in the Routing Table: 1660
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: 2
Number of addresses announced to Internet: 202471424
Equivalent to 12 /8s, 17 /16s and 120 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
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: 1689
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4726
Total APNIC prefixes after maximum aggregation: 2338
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4727
Unique aggregates announced from the APNIC address blocks: 2663
APNIC Region origin ASes present in the Internet Routing Table: 592
APNIC Prefixes per ASN: 7.98
APNIC Region origin ASes announcing only one prefix: 257
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 235
Number of APNIC addresses announced to Internet: 46176512
Equivalent to 2 /8s, 192 /16s and 153 /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: 7477
Total ARIN prefixes after maximum aggregation: 4365
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 7488
Unique aggregates announced from the ARIN address blocks: 4886
ARIN Region origin ASes present in the Internet Routing Table: 1183
ARIN Prefixes per ASN: 6.33
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 163
Number of ARIN addresses announced to Internet: 91777792
Equivalent to 5 /8s, 120 /16s and 107 /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: 3351
Total RIPE prefixes after maximum aggregation: 2733
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3338
Unique aggregates announced from the RIPE address blocks: 2725
RIPE Region origin ASes present in the Internet Routing Table: 669
RIPE Prefixes per ASN: 4.99
RIPE Region origin ASes announcing only one prefix: 316
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 133
Number of RIPE addresses announced to Internet: 57974528
Equivalent to 3 /8s, 116 /16s and 159 /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: 1329
Total LACNIC prefixes after maximum aggregation: 564
LACNIC Deaggregation factor: 2.36
Prefixes being announced from the LACNIC address blocks: 1332
Unique aggregates announced from the LACNIC address blocks: 821
LACNIC Region origin ASes present in the Internet Routing Table: 169
LACNIC Prefixes per ASN: 7.88
LACNIC Region origin ASes announcing only one prefix: 70
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 3812864
Equivalent to 0 /8s, 58 /16s and 46 /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: 720
Total AfriNIC prefixes after maximum aggregation: 187
AfriNIC Deaggregation factor: 3.85
Prefixes being announced from the AfriNIC address blocks: 720
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 14.69
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 2.6
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2729216
Equivalent to 0 /8s, 41 /16s and 165 /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 571 2156 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 186 74 135 KREONET-AS-KR KISTI, KR
4538 177 4192 72 ERX-CERNET-BKB China Education and Rese
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
58647 167 18 2 KAGAWAU-AS Kagawa University, JP
55824 129 19 22 NKN-CORE-NW NKN Core Network, IN
4621 79 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 251 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
2152 145 507 86 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 77 496 15 MIT-GATEWAYS, US
3477 76 71 45 NOAA-NWAVE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 274 1948 241 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 143 24 4 ISU Internet Services Unit ISU, SA
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
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 63 30 60 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 172 207 44 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
52286 54 4 31 Columbus Networks Guatemala, GT
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
3596 33 2 2 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 351 319 74 TENET-1, ZA
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 33 16 1 MoRENet, MZ
36914 30 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 571 2156 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 351 319 74 TENET-1, ZA
680 274 1948 241 DFN Verein zur Foerderung eines Deutsch
7896 251 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
786 186 1774 183 JANET Jisc Services Limited, GB
1237 186 74 135 KREONET-AS-KR KISTI, KR
4538 177 4192 72 ERX-CERNET-BKB China Education and Rese
7575 175 330 122 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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
2018 351 277 TENET-1, ZA
7896 251 244 NU-AS, US
58647 167 165 KAGAWAU-AS Kagawa University, JP
8895 143 139 ISU Internet Services Unit ISU, SA
18558 136 132 NETBLK-RCOEK, US
1916 172 128 Rede Nacional de Ensino e Pesquisa, BR
55824 129 107 NKN-CORE-NW NKN Core Network, IN
4538 177 105 ERX-CERNET-BKB China Education and Research Net
2920 108 102 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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/UbuntuNet/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/UbuntuNet/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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/UbuntuNet/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 /11:1 /12:10
/13:18 /14:35 /15:122 /16:1974 /17:383 /18:427
/19:546 /20:827 /21:857 /22:1367 /23:1476 /24:9561
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 138 143 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
40326 29 33 ECKERD-COLLEGE, US
327700 29 33 MoRENet, MZ
30220 25 26 SWTELCOOP, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 8:2 12:1 14:85 18:42
23:9 24:2 31:6 38:9 40:1 41:54
42:14 44:5 45:44 46:6 47:1 49:10
50:1 52:1 58:7 59:20 60:4 61:3
62:7 63:34 64:48 66:35 67:42 68:8
69:19 70:2 71:1 72:10 74:20 76:33
77:7 78:3 79:10 80:15 81:28 82:4
83:6 84:5 85:32 86:4 87:1 88:1
89:10 91:43 92:1 93:17 94:4 95:4
96:5 97:1 98:2 101:8 102:13 103:324
104:14 106:1 108:8 109:10 110:3 111:19
112:4 114:23 116:5 117:61 118:32 119:22
121:27 122:8 123:8 124:39 125:4 128:81
129:176 130:90 131:88 132:58 133:141 134:96
136:3 137:86 138:8 139:4 140:35 141:2
142:41 143:28 144:52 145:1 146:128 147:56
148:191 149:13 150:39 151:6 152:71 153:8
154:23 155:51 156:67 157:26 158:42 159:116
160:25 161:21 162:20 163:57 164:43 165:55
166:2 167:16 168:162 169:10 170:53 171:1
172:2 173:2 175:31 176:8 177:7 178:1
179:11 180:21 181:16 182:5 184:3 185:37
186:3 187:17 188:13 189:5 190:49 191:26
192:1393 193:263 194:138 195:84 196:151 197:6
198:462 199:253 200:201 201:38 202:642 203:423
204:316 205:165 206:186 207:161 208:66 209:112
210:182 211:13 212:151 213:4 216:84 217:15
218:25 219:12 220:16 222:5 223:4
End of report
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