[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jun 13 18:30:38 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Thu 13 Jun, 2024
IPv4 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: 16453
Prefixes after maximum aggregation (per Origin AS): 9800
Deaggregation factor: 1.68
Unique aggregates announced (without unneeded subnets): 10801
Number of IPv4 prefixes with a valid ROA: 4822
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 11631
Total ASes present in the Internet Routing Table: 2508
Prefixes per ASN: 6.56
Origin-only ASes present in the Internet Routing Table: 2177
Origin ASes announcing only one prefix: 991
Transit ASes present in the Internet Routing Table: 331
Transit-only ASes present in the Internet Routing Table: 61
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 44738
Number of 32-bit ASNs visible in the Routing Table: 577
Prefixes from 32-bit ASNs in the Routing Table: 1520
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: 1
Number of addresses announced to Internet: 195608064
Equivalent to 11 /8s, 168 /16s and 190 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 1397
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4366
Total APNIC prefixes after maximum aggregation: 2163
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4366
Unique aggregates announced from the APNIC address blocks: 2397
APNIC Region origin ASes present in the Internet Routing Table: 511
APNIC Prefixes per ASN: 8.54
APNIC Region origin ASes announcing only one prefix: 225
APNIC Region transit ASes present in the Internet Routing Table: 48
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 195
Number of APNIC addresses announced to Internet: 45352960
Equivalent to 2 /8s, 180 /16s and 8 /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, 131072-153913
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: 7725
Total ARIN prefixes after maximum aggregation: 4591
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 7742
Unique aggregates announced from the ARIN address blocks: 5084
ARIN Region origin ASes present in the Internet Routing Table: 1230
ARIN Prefixes per ASN: 6.29
ARIN Region origin ASes announcing only one prefix: 430
ARIN Region transit ASes present in the Internet Routing Table: 150
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 198
Number of ARIN addresses announced to Internet: 89787136
Equivalent to 5 /8s, 90 /16s and 11 /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, 393216-402332
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: 3131
Total RIPE prefixes after maximum aggregation: 2615
RIPE Deaggregation factor: 1.20
Prefixes being announced from the RIPE address blocks: 3119
Unique aggregates announced from the RIPE address blocks: 2652
RIPE Region origin ASes present in the Internet Routing Table: 600
RIPE Prefixes per ASN: 5.20
RIPE Region origin ASes announcing only one prefix: 278
RIPE Region transit ASes present in the Internet Routing Table: 94
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 136
Number of RIPE addresses announced to Internet: 57048576
Equivalent to 3 /8s, 102 /16s and 126 /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
196608-216475
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: 600
Total LACNIC prefixes after maximum aggregation: 276
LACNIC Deaggregation factor: 2.17
Prefixes being announced from the LACNIC address blocks: 597
Unique aggregates announced from the LACNIC address blocks: 470
LACNIC Region origin ASes present in the Internet Routing Table: 69
LACNIC Prefixes per ASN: 8.65
LACNIC Region origin ASes announcing only one prefix: 40
LACNIC Region transit ASes present in the Internet Routing Table: 16
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 10
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 30
Number of LACNIC addresses announced to Internet: 954112
Equivalent to 0 /8s, 14 /16s and 143 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 628
Total AfriNIC prefixes after maximum aggregation: 152
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 628
Unique aggregates announced from the AfriNIC address blocks: 197
AfriNIC Region origin ASes present in the Internet Routing Table: 35
AfriNIC Prefixes per ASN: 17.94
AfriNIC Region origin ASes announcing only one prefix: 18
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 2.4
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 18
Number of AfriNIC addresses announced to Internet: 2465024
Equivalent to 0 /8s, 37 /16s and 157 /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 591 2162 464 SINET-AS Research Organization of Infor
7497 440 180 24 UNASSIGNED
1237 191 74 142 UNASSIGNED
4538 190 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 UNASSIGNED
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
9411 82 16 2 UNASSIGNED
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNASSIGNED
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
668 204 648 173 UNASSIGNED
376 203 162 152 RISQ-AS, CA
2920 175 34 7 LACOE, US
2152 149 507 94 CSUNET-NW, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
23024 106 7 22 OCDE, US
237 85 543 51 UNASSIGNED
1736 79 16 1 MU-AS, US
21976 79 51 18 NJEDGE-NET, 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
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
559 113 533 103 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
2200 63 598 58 FR-RENATER Reseau National de telecommu
200521 56 4 20 SEAP-AGE, ES
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
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 109 25 52 Red Universitaria Nacional, CL
1916 63 10 31 Rede Nacional de Ensino e Pesquisa, BR
61468 43 3 14 CEDIA, EC
3596 37 8 4 Universidad Autonoma Metropolitana, MX
20191 28 16 1 Pontificia Universidad Catolica de Chil
278 24 32 4 Universidad Nacional Autonoma de Mexico
28027 14 2 5 Escuela Superior Politecnica del Litora
263282 14 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
23140 11 5 10 Universidad de Chile, CL
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 379 319 70 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
36914 27 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 1 6 RwEdNet-AS, RW
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 591 2162 464 SINET-AS Research Organization of Infor
7497 440 180 24 UNASSIGNED
2018 379 319 70 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
668 204 648 173 UNASSIGNED
376 203 162 152 RISQ-AS, CA
1237 191 74 142 UNASSIGNED
4538 190 4193 75 ERX-CERNET-BKB China Education and Rese
786 184 1767 181 JANET Jisc Services Limited, GB
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
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 440 416 UNASSIGNED
2018 379 309 TENET-1, ZA
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
4538 190 115 ERX-CERNET-BKB China Education and Research Net
55824 131 112 NKN-CORE-NW NKN Core Network, IN
81 133 100 NCREN, US
28391 153 86 Universidad Juarez Autonoma de Tabasco, MX
23024 106 84 OCDE, 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
26971 UNALLOCATED 129.111.0.0/16 276 UNASSIGNED
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS
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
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 /10:1 /11:1 /12:10
/13:19 /14:33 /15:121 /16:1949 /17:393 /18:410
/19:526 /20:743 /21:773 /22:1336 /23:1364 /24:8773
/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
23024 49 106 OCDE, US
32440 38 64 LONI, US
327700 36 39 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
37215 30 36 MAREN, MW
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
30220 25 26 SWWC-SERVICE-COOPERATIVE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:91
23:4 24:3 31:1 35:3 38:10 40:1
41:88 42:17 44:5 45:28 46:5 47:1
49:7 50:3 52:1 58:16 59:4 60:6
61:3 62:5 63:32 64:44 65:1 66:46
67:40 68:10 69:19 70:2 71:1 72:7
74:51 76:41 77:7 78:3 79:10 80:9
81:23 82:2 83:6 84:4 85:13 86:3
87:1 89:11 91:43 93:5 94:2 95:2
97:1 98:2 101:4 102:7 103:229 104:76
108:8 109:6 114:24 116:8 117:61 118:3
119:20 121:11 123:8 124:41 125:5 128:83
129:37 130:83 131:59 132:66 133:157 134:109
136:10 137:51 138:57 139:4 140:38 141:3
142:26 143:23 144:23 145:2 146:134 147:63
148:193 149:11 150:35 151:9 152:105 153:15
154:28 155:64 156:133 157:7 158:34 159:119
160:30 161:12 162:22 163:58 164:14 165:48
166:1 167:13 168:96 169:6 170:19 172:3
173:6 175:18 176:8 179:11 180:15 181:1
182:1 184:1 185:44 187:2 188:11 190:17
191:3 192:1373 193:253 194:115 195:69 196:154
197:3 198:449 199:278 200:84 201:5 202:569
203:417 204:366 205:134 206:194 207:204 208:68
209:113 210:186 211:4 212:43 213:4 214:8
216:91 217:10 218:21 219:5 220:17 222:3
223:14
End of report
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