[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Nov 11 18:30:42 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Mon 11 Nov, 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: 17903
Prefixes after maximum aggregation (per Origin AS): 10284
Deaggregation factor: 1.74
Unique aggregates announced (without unneeded subnets): 11390
Number of IPv4 prefixes with a valid ROA: 6619
Number of IPv4 prefixes with an invalid ROA: 3
Number of IPv4 prefixes with no ROA: 11281
Total ASes present in the Internet Routing Table: 2739
Prefixes per ASN: 6.54
Origin-only ASes present in the Internet Routing Table: 2369
Origin ASes announcing only one prefix: 1055
Transit ASes present in the Internet Routing Table: 370
Transit-only ASes present in the Internet Routing Table: 67
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 28
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 45830
Number of 32-bit ASNs visible in the Routing Table: 673
Prefixes from 32-bit ASNs in the Routing Table: 1837
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: 4
Number of addresses announced to Internet: 197599488
Equivalent to 11 /8s, 199 /16s and 33 /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: 1683
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4670
Total APNIC prefixes after maximum aggregation: 2284
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4667
Unique aggregates announced from the APNIC address blocks: 2640
APNIC Region origin ASes present in the Internet Routing Table: 579
APNIC Prefixes per ASN: 8.06
APNIC Region origin ASes announcing only one prefix: 243
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 228
Number of APNIC addresses announced to Internet: 45629696
Equivalent to 2 /8s, 184 /16s and 65 /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: 7707
Total ARIN prefixes after maximum aggregation: 4479
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 7722
Unique aggregates announced from the ARIN address blocks: 4945
ARIN Region origin ASes present in the Internet Routing Table: 1228
ARIN Prefixes per ASN: 6.29
ARIN Region origin ASes announcing only one prefix: 435
ARIN Region transit ASes present in the Internet Routing Table: 150
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 204
Number of ARIN addresses announced to Internet: 86999808
Equivalent to 5 /8s, 47 /16s and 131 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 3577
Total RIPE prefixes after maximum aggregation: 2874
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3565
Unique aggregates announced from the RIPE address blocks: 2912
RIPE Region origin ASes present in the Internet Routing Table: 673
RIPE Prefixes per ASN: 5.30
RIPE Region origin ASes announcing only one prefix: 301
RIPE Region transit ASes present in the Internet Routing Table: 108
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 158
Number of RIPE addresses announced to Internet: 58653952
Equivalent to 3 /8s, 126 /16s and 253 /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,
53/8, 57/8, 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: 1314
Total LACNIC prefixes after maximum aggregation: 476
LACNIC Deaggregation factor: 2.76
Prefixes being announced from the LACNIC address blocks: 1312
Unique aggregates announced from the LACNIC address blocks: 674
LACNIC Region origin ASes present in the Internet Routing Table: 142
LACNIC Prefixes per ASN: 9.24
LACNIC Region origin ASes announcing only one prefix: 46
LACNIC Region transit ASes present in the Internet Routing Table: 21
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 55
Number of LACNIC addresses announced to Internet: 3773184
Equivalent to 0 /8s, 57 /16s and 147 /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: 634
Total AfriNIC prefixes after maximum aggregation: 170
AfriNIC Deaggregation factor: 3.73
Prefixes being announced from the AfriNIC address blocks: 633
Unique aggregates announced from the AfriNIC address blocks: 215
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 12.92
AfriNIC Region origin ASes announcing only one prefix: 30
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2540032
Equivalent to 0 /8s, 38 /16s and 194 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 590 2170 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
4538 138 4192 72 ERX-CERNET-BKB China Education and Resear
55824 131 18 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
2697 59 4 34 ERX-ERNET-AS Education and Research Netwo
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
376 201 162 150 RISQ-AS, CA
2920 175 34 7 LACOE, US
2152 150 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
293 106 33 11 ESNET, US
23024 95 7 21 OCDE, US
21976 91 50 17 NJEDGE-NET, US
237 85 541 50 MERIT-AS-14, US
1736 79 16 1 MU-AS, 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
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
8895 133 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 97 1759 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 26 67 NIKS, RU
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 215 178 41 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a
4270 47 16 2 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blumena
3596 37 8 4 Universidad Autonoma Metropolitana, MX
21612 29 16 1 FUNDACAO INSTITUTO OSWALDO CRUZ, BR
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 382 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 33 8 1 MAREN, MW
36914 27 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
327700 15 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, 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 590 2170 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 382 319 71 TENET-1, ZA
680 281 1899 248 DFN Verein zur Foerderung eines Deutschen
1916 215 178 41 Rede Nacional de Ensino e Pesquisa, BR
376 201 162 150 RISQ-AS, CA
1237 191 74 145 KREONET-AS-KR KISTI, KR
786 186 1767 183 JANET Jisc Services Limited, GB
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
2920 175 34 7 LACOE, US
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 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 382 311 TENET-1, ZA
58647 180 178 KAGAWAU-AS Kagawa University, JP
1916 215 174 Rede Nacional de Ensino e Pesquisa, BR
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 133 128 ISU Internet Services Unit ISU, SA
55824 131 113 NKN-CORE-NW NKN Core Network, IN
81 134 101 NCREN, US
293 106 95 ESNET, 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 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
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 /12:11
/13:18 /14:35 /15:117 /16:1941 /17:411 /18:446
/19:563 /20:817 /21:851 /22:1404 /23:1472 /24:9814
/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 128 133 ISU Internet Services Unit ISU, SA
23024 37 95 OCDE, US
32440 37 63 LONI, US
3267 35 77 NIKS, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 31 53 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, 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 8:2 12:1 14:92 23:6
24:3 31:1 35:3 37:8 38:10 40:1
41:54 42:11 44:5 45:48 46:4 47:1
49:10 50:2 52:1 59:19 60:6 61:3
62:9 63:32 64:44 65:4 66:41 67:39
68:12 69:19 70:2 71:1 72:7 74:53
76:41 77:10 78:3 79:10 80:12 81:25
82:7 83:7 84:5 85:45 86:5 87:1
89:11 91:42 92:2 93:13 94:2 95:2
96:5 97:1 98:2 101:1 102:11 103:329
104:78 108:8 109:4 111:19 113:2 114:24
116:9 117:61 118:33 119:23 121:27 122:8
123:8 124:42 125:5 128:55 129:37 130:95
131:56 132:65 133:154 134:174 136:11 137:51
138:58 139:5 140:34 141:3 142:52 143:26
144:24 145:2 146:137 147:60 148:195 149:12
150:40 151:9 152:140 153:14 154:39 155:63
156:137 157:27 158:30 159:118 160:31 161:16
162:22 163:58 164:11 165:49 166:1 167:10
168:120 169:7 170:89 171:1 172:2 173:7
175:16 177:5 179:13 180:16 182:11 184:6
185:54 186:3 187:21 188:13 189:2 190:18
191:3 192:1377 193:274 194:137 195:75 196:145
197:7 198:442 199:245 200:312 201:37 202:633
203:437 204:371 205:131 206:208 207:223 208:65
209:103 210:218 211:3 212:165 213:6 216:89
217:9 218:21 219:5 220:17 222:2 223:15
End of report
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