[REN-BGP-stats-all] Global R&E Routing Table Report - UbuntuNet Alliance view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Nov 26 18:30:33 UTC 2021
Global R&E Routing Table Report 18:30 GMT Fri 26 Nov, 2021
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: 17719
Prefixes after maximum aggregation (per Origin AS): 10151
Deaggregation factor: 1.75
Unique aggregates announced (without unneeded subnets): 11373
Total ASes present in the Internet Routing Table: 2694
Prefixes per ASN: 6.58
Origin-only ASes present in the Internet Routing Table: 2327
Origin ASes announcing only one prefix: 1098
Transit ASes present in the Internet Routing Table: 367
Transit-only ASes present in the Internet Routing Table: 44
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 14
Max AS path prepend of ASN ( 10497) 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: 37919
Number of 32-bit ASNs visible in the Routing Table: 601
Prefixes from 32-bit ASNs in the Routing Table: 1759
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: 4
Number of addresses announced to Internet: 202333184
Equivalent to 12 /8s, 15 /16s and 92 /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: 1772
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4675
Total APNIC prefixes after maximum aggregation: 2311
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4677
Unique aggregates announced from the APNIC address blocks: 2615
APNIC Region origin ASes present in the Internet Routing Table: 574
APNIC Prefixes per ASN: 8.15
APNIC Region origin ASes announcing only one prefix: 246
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 215
Number of APNIC addresses announced to Internet: 46009856
Equivalent to 2 /8s, 190 /16s and 14 /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: 7470
Total ARIN prefixes after maximum aggregation: 4338
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 7477
Unique aggregates announced from the ARIN address blocks: 4867
ARIN Region origin ASes present in the Internet Routing Table: 1178
ARIN Prefixes per ASN: 6.35
ARIN Region origin ASes announcing only one prefix: 437
ARIN Region transit ASes present in the Internet Routing Table: 156
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: 155
Number of ARIN addresses announced to Internet: 91742208
Equivalent to 5 /8s, 119 /16s and 224 /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: 3386
Total RIPE prefixes after maximum aggregation: 2751
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3376
Unique aggregates announced from the RIPE address blocks: 2761
RIPE Region origin ASes present in the Internet Routing Table: 674
RIPE Prefixes per ASN: 5.01
RIPE Region origin ASes announcing only one prefix: 324
RIPE Region transit ASes present in the Internet Routing Table: 105
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: 132
Number of RIPE addresses announced to Internet: 58142464
Equivalent to 3 /8s, 119 /16s and 47 /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: 1331
Total LACNIC prefixes after maximum aggregation: 557
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1334
Unique aggregates announced from the LACNIC address blocks: 833
LACNIC Region origin ASes present in the Internet Routing Table: 170
LACNIC Prefixes per ASN: 7.85
LACNIC Region origin ASes announcing only one prefix: 70
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 74
Number of LACNIC addresses announced to Internet: 3683584
Equivalent to 0 /8s, 56 /16s and 53 /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: 851
Total AfriNIC prefixes after maximum aggregation: 188
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 851
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 17.02
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2754048
Equivalent to 0 /8s, 42 /16s and 6 /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 607 2156 456 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 176 329 122 AARNET-AS-AP Australian Academic and Re
4538 175 4192 72 ERX-CERNET-BKB China Education and Rese
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
4621 80 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 250 51 7 NU-AS, US
376 204 178 153 RISQ-AS, CA
2152 155 507 84 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 109 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 72 71 42 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
680 275 1997 235 DFN Verein zur Foerderung eines Deutsch
786 185 1774 182 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 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 59 33 57 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 176 207 40 Associacao Rede Nacional de Ensino e Pe
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 53 4 31 Columbus Networks Guatemala, GT
4270 43 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
20191 31 16 1 Pontificia Universidad Catolica de Chil
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 348 319 73 TENET-1, ZA
327687 127 28 3 RENU, UG
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
37215 34 8 1 MAREN, MW
36914 31 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37182 13 8 1 TERNET, TZ
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 607 2156 456 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 348 319 73 TENET-1, ZA
680 275 1997 235 DFN Verein zur Foerderung eines Deutsch
7896 250 51 7 NU-AS, US
376 204 178 153 RISQ-AS, CA
786 185 1774 182 JANET Jisc Services Limited, GB
1237 185 74 135 KREONET-AS-KR KISTI, KR
1916 176 207 40 Associacao Rede Nacional de Ensino e Pe
7575 176 329 122 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 348 275 TENET-1, ZA
7896 250 243 NU-AS, US
58647 164 162 KAGAWAU-AS Kagawa University, JP
8895 143 139 ISU Internet Services Unit ISU, SA
1916 176 136 Associacao Rede Nacional de Ensino e Pesquisa,
18558 136 132 NETBLK-RCOEK, US
327687 127 124 RENU, UG
55824 128 106 NKN-CORE-NW NKN Core Network, IN
4538 175 103 ERX-CERNET-BKB China Education and Research Net
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
29955 UNALLOCATED 192.104.1.0/24 2495 KANREN, US
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
29955 UNALLOCATED 198.252.8.0/21 2495 KANREN, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
394784 UNALLOCATED 205.166.145.0/24 40831 PHS, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS
Prefixes from private and non-routed address space (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-dsua
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
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
205.166.145.0/24 Origin: 394784 UNASSIGNED
205.166.145.0/24 Transit: 40831 PHS, US
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
/13:19 /14:36 /15:122 /16:1973 /17:377 /18:427
/19:552 /20:846 /21:854 /22:1377 /23:1471 /24:9651
/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
327700 38 44 MoRENet, MZ
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
40326 29 33 ECKERD-COLLEGE, US
200521 29 48 SEAP-AGE, ES
32440 28 43 LONI, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 5:15 8:2 12:1 14:84 18:42
23:7 24:5 31:6 37:6 38:9 40:1
41:89 42:13 44:5 45:61 46:6 47:1
49:10 50:1 52:1 58:4 59:20 60:4
61:3 62:7 63:34 64:46 66:36 67:42
68:8 69:21 71:1 72:10 74:20 76:31
77:6 78:3 79:10 80:17 81:27 82:5
83:7 84:5 85:33 86:9 87:1 88:1
89:10 91:47 92:1 93:19 94:4 95:4
96:5 97:1 98:2 101:8 102:16 103:292
104:12 106:1 108:8 109:9 110:3 111:8
112:4 114:23 116:5 117:61 118:32 119:21
121:21 122:8 123:8 124:39 125:4 128:83
129:174 130:93 131:87 132:61 133:138 134:96
136:3 137:139 138:8 139:4 140:35 141:2
142:41 143:28 144:52 145:1 146:126 147:58
148:159 149:13 150:39 151:6 152:71 153:11
154:24 155:51 156:67 157:25 158:42 159:117
160:25 161:16 162:20 163:59 164:42 165:54
166:2 167:16 168:161 169:10 170:51 171:1
172:2 173:2 175:31 176:8 177:7 178:1
179:12 180:21 181:12 182:5 184:5 185:41
186:3 187:17 188:13 189:3 190:54 191:30
192:1396 193:254 194:141 195:93 196:177 197:6
198:467 199:245 200:217 201:38 202:633 203:419
204:316 205:172 206:182 207:163 208:55 209:112
210:181 211:14 212:171 213:4 216:84 217:14
218:25 219:14 220:16 222:5 223:2
End of report
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