[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 Jun 24 18:30:39 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Mon 24 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: 18040
Prefixes after maximum aggregation (per Origin AS): 10532
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 11639
Number of IPv4 prefixes with a valid ROA: 5657
Number of IPv4 prefixes with an invalid ROA: 3
Number of IPv4 prefixes with no ROA: 12380
Total ASes present in the Internet Routing Table: 2744
Prefixes per ASN: 6.57
Origin-only ASes present in the Internet Routing Table: 2379
Origin ASes announcing only one prefix: 1057
Transit ASes present in the Internet Routing Table: 365
Transit-only ASes present in the Internet Routing Table: 68
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: 44848
Number of 32-bit ASNs visible in the Routing Table: 651
Prefixes from 32-bit ASNs in the Routing Table: 1799
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: 5
Number of addresses announced to Internet: 201922560
Equivalent to 12 /8s, 9 /16s and 24 /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: 99.6
Total number of prefixes smaller than registry allocations: 1707
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4658
Total APNIC prefixes after maximum aggregation: 2290
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4655
Unique aggregates announced from the APNIC address blocks: 2600
APNIC Region origin ASes present in the Internet Routing Table: 569
APNIC Prefixes per ASN: 8.18
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: 4.7
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 223
Number of APNIC addresses announced to Internet: 45611520
Equivalent to 2 /8s, 183 /16s and 250 /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: 7941
Total ARIN prefixes after maximum aggregation: 4734
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 7954
Unique aggregates announced from the ARIN address blocks: 5234
ARIN Region origin ASes present in the Internet Routing Table: 1246
ARIN Prefixes per ASN: 6.38
ARIN Region origin ASes announcing only one prefix: 440
ARIN Region transit ASes present in the Internet Routing Table: 159
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: 201
Number of ARIN addresses announced to Internet: 92503296
Equivalent to 5 /8s, 131 /16s and 125 /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: 3554
Total RIPE prefixes after maximum aggregation: 2867
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3543
Unique aggregates announced from the RIPE address blocks: 2920
RIPE Region origin ASes present in the Internet Routing Table: 673
RIPE Prefixes per ASN: 5.26
RIPE Region origin ASes announcing only one prefix: 301
RIPE Region transit ASes present in the Internet Routing Table: 102
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: 152
Number of RIPE addresses announced to Internet: 57637632
Equivalent to 3 /8s, 111 /16s and 123 /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: 1238
Total LACNIC prefixes after maximum aggregation: 483
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1236
Unique aggregates announced from the LACNIC address blocks: 680
LACNIC Region origin ASes present in the Internet Routing Table: 152
LACNIC Prefixes per ASN: 8.13
LACNIC Region origin ASes announcing only one prefix: 56
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 3676160
Equivalent to 0 /8s, 56 /16s and 24 /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: 648
Total AfriNIC prefixes after maximum aggregation: 157
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 647
Unique aggregates announced from the AfriNIC address blocks: 201
AfriNIC Region origin ASes present in the Internet Routing Table: 35
AfriNIC Prefixes per ASN: 18.49
AfriNIC Region origin ASes announcing only one prefix: 17
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 2.4
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 15
Number of AfriNIC addresses announced to Internet: 2483456
Equivalent to 0 /8s, 37 /16s and 229 /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 445 180 24 CSTNET-AS-AP Computer Network Informati
1237 191 74 142 KREONET-AS-KR KISTI, KR
4538 190 4193 75 ERX-CERNET-BKB China Education and Rese
58647 183 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Re
55824 131 19 19 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
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
668 204 648 173 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
2920 175 34 7 LACOE, US
270 162 345 88 AS270, 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
21976 87 50 17 NJEDGE-NET, US
237 85 543 51 MERIT-AS-14, 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 250 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
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
3267 76 26 66 RUNNET, 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
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
1916 138 175 41 Rede Nacional de Ensino e Pesquisa, BR
11340 109 25 52 Red Universitaria Nacional, CL
271640 64 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
61468 44 5 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 37 8 4 Universidad Autonoma Metropolitana, MX
20191 28 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 382 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
36914 27 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 12 8 1 TERNET, TZ
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 591 2162 464 SINET-AS Research Organization of Infor
7497 445 180 24 CSTNET-AS-AP Computer Network Informati
2018 382 319 71 TENET-1, ZA
680 283 1899 250 DFN Verein zur Foerderung eines Deutsch
668 204 648 173 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
1237 191 74 142 KREONET-AS-KR KISTI, KR
4538 190 4193 75 ERX-CERNET-BKB China Education and Rese
786 184 1767 181 JANET Jisc Services Limited, GB
58647 183 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 445 421 CSTNET-AS-AP Computer Network Information Cente
2018 382 311 TENET-1, ZA
58647 183 181 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
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
1916 138 97 Rede Nacional de Ensino e Pesquisa, BR
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
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
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
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 /14:35 /15:121 /16:2009 /17:418 /18:448
/19:560 /20:852 /21:884 /22:1391 /23:1495 /24:9795
/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 131 136 ISU Internet Services Unit ISU, SA
23024 49 106 OCDE, US
327700 39 44 MoRENet, MZ
32440 36 62 LONI, US
3267 35 76 RUNNET, 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
37215 30 36 MAREN, MW
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
41:91 42:17 44:5 45:43 46:5 47:1
49:10 50:3 52:1 58:16 59:20 60:6
61:3 62:8 63:32 64:44 65:1 66:36
67:40 68:10 69:19 70:2 71:1 72:7
74:51 76:39 77:10 78:3 79:10 80:13
81:25 82:6 83:7 84:5 85:42 86:5
87:1 89:11 91:48 92:2 93:5 94:2
95:2 96:5 97:1 98:2 101:4 102:6
103:313 104:76 108:8 109:8 114:24 116:8
117:61 118:35 119:23 121:12 122:8 123:8
124:41 125:5 128:84 129:41 130:94 131:59
132:66 133:158 134:109 136:10 137:51 138:57
139:4 140:38 141:3 142:25 143:25 144:23
145:2 146:136 147:63 148:193 149:11 150:40
151:9 152:136 153:15 154:37 155:64 156:138
157:20 158:35 159:121 160:30 161:16 162:22
163:59 164:14 165:48 166:1 167:14 168:121
169:6 170:90 171:1 172:3 173:6 175:25
176:8 177:5 179:14 180:15 181:1 182:1
184:6 185:52 186:3 187:17 188:13 189:3
190:18 191:3 192:1477 193:263 194:144 195:74
196:153 197:3 198:467 199:278 200:233 201:37
202:622 203:430 204:365 205:133 206:195 207:204
208:68 209:112 210:210 211:15 212:163 213:6
214:8 216:91 217:8 218:22 219:5 220:17
222:3 223:14
End of report
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