[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Oct 16 18:30:40 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Wed 16 Oct, 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: 17885
Prefixes after maximum aggregation (per Origin AS): 10236
Deaggregation factor: 1.75
Unique aggregates announced (without unneeded subnets): 11259
Number of IPv4 prefixes with a valid ROA: 6282
Number of IPv4 prefixes with an invalid ROA: 2
Number of IPv4 prefixes with no ROA: 11601
Total ASes present in the Internet Routing Table: 2693
Prefixes per ASN: 6.64
Origin-only ASes present in the Internet Routing Table: 2321
Origin ASes announcing only one prefix: 1048
Transit ASes present in the Internet Routing Table: 372
Transit-only ASes present in the Internet Routing Table: 71
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: 18
Max AS path prepend of ASN (395156) 12
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: 45556
Number of 32-bit ASNs visible in the Routing Table: 656
Prefixes from 32-bit ASNs in the Routing Table: 1825
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: 3
Number of addresses announced to Internet: 197526784
Equivalent to 11 /8s, 198 /16s and 5 /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: 1714
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4526
Total APNIC prefixes after maximum aggregation: 2236
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4525
Unique aggregates announced from the APNIC address blocks: 2560
APNIC Region origin ASes present in the Internet Routing Table: 543
APNIC Prefixes per ASN: 8.33
APNIC Region origin ASes announcing only one prefix: 230
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: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 209
Number of APNIC addresses announced to Internet: 45608448
Equivalent to 2 /8s, 183 /16s and 238 /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: 7974
Total ARIN prefixes after maximum aggregation: 4535
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 7987
Unique aggregates announced from the ARIN address blocks: 4933
ARIN Region origin ASes present in the Internet Routing Table: 1233
ARIN Prefixes per ASN: 6.48
ARIN Region origin ASes announcing only one prefix: 438
ARIN Region transit ASes present in the Internet Routing Table: 152
Average ARIN Region AS path length visible: 4.7
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 205
Number of ARIN addresses announced to Internet: 87122944
Equivalent to 5 /8s, 49 /16s and 100 /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: 3581
Total RIPE prefixes after maximum aggregation: 2871
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3569
Unique aggregates announced from the RIPE address blocks: 2916
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 5.32
RIPE Region origin ASes announcing only one prefix: 298
RIPE Region transit ASes present in the Internet Routing Table: 105
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: 157
Number of RIPE addresses announced to Internet: 58622976
Equivalent to 3 /8s, 126 /16s and 132 /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: 1141
Total LACNIC prefixes after maximum aggregation: 424
LACNIC Deaggregation factor: 2.69
Prefixes being announced from the LACNIC address blocks: 1140
Unique aggregates announced from the LACNIC address blocks: 634
LACNIC Region origin ASes present in the Internet Routing Table: 126
LACNIC Prefixes per ASN: 9.05
LACNIC Region origin ASes announcing only one prefix: 53
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: 56
Number of LACNIC addresses announced to Internet: 3696128
Equivalent to 0 /8s, 56 /16s and 102 /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: 662
Total AfriNIC prefixes after maximum aggregation: 169
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 661
Unique aggregates announced from the AfriNIC address blocks: 213
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 13.77
AfriNIC Region origin ASes announcing only one prefix: 29
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 2.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2473728
Equivalent to 0 /8s, 37 /16s and 191 /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 590 2170 464 SINET-AS Research Organization of Informa
7497 449 212 25 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
55824 132 18 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4621 69 37 10 UNINET-AS-AP UNINET-, TH
4762 64 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
2697 60 4 35 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
2152 434 507 97 CENIC-2152, US
2920 224 44 45 LACOE, US
376 200 162 149 RISQ-AS, CA
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, 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
3477 74 63 41 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
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 132 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 209 180 41 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
28614 38 2 2 Fundacao Universidade Regional de Blumena
3596 37 8 4 Universidad Autonoma Metropolitana, MX
20191 28 16 1 Pontificia Universidad Catolica de Chile,
21612 28 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 383 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
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
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 449 212 25 CSTNET-AS-AP Computer Network Information
2152 434 507 97 CENIC-2152, US
2018 383 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 224 44 45 LACOE, US
1916 209 180 41 Rede Nacional de Ensino e Pesquisa, BR
376 200 162 149 RISQ-AS, CA
1237 191 74 145 KREONET-AS-KR KISTI, KR
786 185 1767 182 JANET Jisc Services Limited, GB
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 449 424 CSTNET-AS-AP Computer Network Information Cente
2152 434 337 CENIC-2152, US
2018 383 312 TENET-1, ZA
2920 224 179 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
1916 209 168 Rede Nacional de Ensino e Pesquisa, BR
18558 140 136 NETBLK-RCOEK, US
8895 132 127 ISU Internet Services Unit ISU, SA
55824 132 113 NKN-CORE-NW NKN Core Network, IN
81 134 101 NCREN, 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
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 /15:118 /16:1940 /17:407 /18:438
/19:563 /20:811 /21:842 /22:1402 /23:1518 /24:9779
/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 127 132 ISU Internet Services Unit ISU, SA
2152 40 434 CENIC-2152, US
327700 39 44 MoRENet, MZ
23024 37 95 OCDE, US
32440 37 64 LONI, US
3267 35 77 NIKS, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 SEAP-AGE, ES
25977 30 44 HCCS, 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 23:5
24:3 31:1 35:3 37:8 38:10 40:1
41:79 42:10 44:5 45:46 46:4 47:1
49:11 50:2 52:1 59:19 60:6 61:3
62:9 63:32 64:44 65:4 66:42 67:39
68:12 69:19 70:2 71:1 72:7 74:53
76:42 77:10 78:3 79:10 80:12 81:25
82:7 83:7 84:5 85:45 86:5 87:1
89:11 91:44 92:2 93:13 94:2 95:2
96:5 97:1 98:2 101:1 102:12 103:271
104:79 108:8 109:4 111:15 113:2 114:24
116:9 117:61 118:34 119:25 121:27 122:8
123:8 124:42 125:5 128:52 129:37 130:95
131:56 132:65 133:154 134:105 136:11 137:83
138:58 139:5 140:34 141:3 142:52 143:26
144:25 145:2 146:135 147:60 148:194 149:13
150:40 151:9 152:139 153:14 154:37 155:63
156:137 157:26 158:31 159:120 160:30 161:17
162:22 163:56 164:14 165:49 166:1 167:29
168:103 169:7 170:20 171:1 172:2 173:7
175:5 177:4 179:13 180:16 182:1 184:6
185:54 186:3 187:21 188:13 189:3 190:17
191:3 192:1378 193:275 194:140 195:75 196:149
197:7 198:514 199:247 200:273 201:38 202:624
203:434 204:394 205:160 206:207 207:282 208:66
209:132 210:200 211:3 212:165 213:6 216:60
217:9 218:21 219:5 220:17 222:2 223:15
End of report
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