[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 May 23 18:30:44 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Thu 23 May, 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: 17030
Prefixes after maximum aggregation (per Origin AS): 10064
Deaggregation factor: 1.69
Unique aggregates announced (without unneeded subnets): 11073
Number of IPv4 prefixes with a valid ROA: 5079
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 11951
Total ASes present in the Internet Routing Table: 2605
Prefixes per ASN: 6.54
Origin-only ASes present in the Internet Routing Table: 2251
Origin ASes announcing only one prefix: 1019
Transit ASes present in the Internet Routing Table: 354
Transit-only ASes present in the Internet Routing Table: 73
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 18
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 44529
Number of 32-bit ASNs visible in the Routing Table: 604
Prefixes from 32-bit ASNs in the Routing Table: 1600
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: 196753920
Equivalent to 11 /8s, 186 /16s and 58 /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: 1650
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4612
Total APNIC prefixes after maximum aggregation: 2254
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4612
Unique aggregates announced from the APNIC address blocks: 2543
APNIC Region origin ASes present in the Internet Routing Table: 541
APNIC Prefixes per ASN: 8.52
APNIC Region origin ASes announcing only one prefix: 231
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 209
Number of APNIC addresses announced to Internet: 45528320
Equivalent to 2 /8s, 182 /16s and 181 /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: 7807
Total ARIN prefixes after maximum aggregation: 4611
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 7821
Unique aggregates announced from the ARIN address blocks: 5105
ARIN Region origin ASes present in the Internet Routing Table: 1224
ARIN Prefixes per ASN: 6.39
ARIN Region origin ASes announcing only one prefix: 433
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 201
Number of ARIN addresses announced to Internet: 90438912
Equivalent to 5 /8s, 99 /16s and 253 /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: 3548
Total RIPE prefixes after maximum aggregation: 2855
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3536
Unique aggregates announced from the RIPE address blocks: 2909
RIPE Region origin ASes present in the Internet Routing Table: 673
RIPE Prefixes per ASN: 5.25
RIPE Region origin ASes announcing only one prefix: 299
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: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 150
Number of RIPE addresses announced to Internet: 57582336
Equivalent to 3 /8s, 110 /16s and 163 /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: 426
Total LACNIC prefixes after maximum aggregation: 193
LACNIC Deaggregation factor: 2.21
Prefixes being announced from the LACNIC address blocks: 425
Unique aggregates announced from the LACNIC address blocks: 311
LACNIC Region origin ASes present in the Internet Routing Table: 55
LACNIC Prefixes per ASN: 7.73
LACNIC Region origin ASes announcing only one prefix: 34
LACNIC Region transit ASes present in the Internet Routing Table: 15
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 10
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 24
Number of LACNIC addresses announced to Internet: 725248
Equivalent to 0 /8s, 11 /16s and 17 /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: 635
Total AfriNIC prefixes after maximum aggregation: 149
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 635
Unique aggregates announced from the AfriNIC address blocks: 204
AfriNIC Region origin ASes present in the Internet Routing Table: 38
AfriNIC Prefixes per ASN: 16.71
AfriNIC Region origin ASes announcing only one prefix: 22
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: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 20
Number of AfriNIC addresses announced to Internet: 2478848
Equivalent to 0 /8s, 37 /16s and 211 /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 CSTNET-AS-AP Computer Network Informati
1237 190 74 142 KREONET-AS-KR KISTI, KR
4538 189 4193 75 ERX-CERNET-BKB China Education and Rese
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Re
55824 130 19 18 NKN-CORE-NW NKN Core Network, IN
9411 82 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
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
376 203 162 152 RISQ-AS, CA
2920 177 34 7 LACOE, US
270 162 345 88 AS270, US
2152 148 499 94 CSUNET-NW, US
668 142 394 123 DNIC-AS-00668, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
23024 108 7 22 OCDE, US
237 87 543 51 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
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
786 187 1767 184 JANET Jisc Services Limited, GB
8895 132 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 74 26 64 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,
61468 43 3 14 CEDIA, EC
1916 38 8 28 Rede Nacional de Ensino e Pesquisa, BR
3596 35 4 3 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
16891 8 1 1 Sociedade Mineira de Cultura, BR
27820 6 0 1 Universidad Tecnica Particular de Loja,
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 46 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
36914 27 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37654 14 1 8 RwEdNet-AS, RW
37182 12 8 1 TERNET, TZ
37501 6 48 3 UOFS, ZA
31960 5 1 1 EMUNET, MZ
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 CSTNET-AS-AP Computer Network Informati
2018 379 319 70 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutsch
376 203 162 152 RISQ-AS, CA
1237 190 74 142 KREONET-AS-KR KISTI, KR
4538 189 4193 75 ERX-CERNET-BKB China Education and Rese
786 187 1767 184 JANET Jisc Services Limited, GB
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
2920 177 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 440 416 CSTNET-AS-AP Computer Network Information Cente
2018 379 309 TENET-1, ZA
58647 182 180 KAGAWAU-AS Kagawa University, JP
2920 177 170 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 132 127 ISU Internet Services Unit ISU, SA
4538 189 114 ERX-CERNET-BKB China Education and Research Net
55824 130 112 NKN-CORE-NW NKN Core Network, IN
81 133 100 NCREN, US
28391 153 86 Universidad Juarez Autonoma de Tabasco, MX
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
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 RESERVED, ZZ
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 /14:35 /15:120 /16:1957 /17:393 /18:416
/19:539 /20:768 /21:806 /22:1386 /23:1445 /24:9133
/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
23024 51 108 OCDE, US
327700 40 46 MoRENet, MZ
32440 36 61 LONI, US
200521 33 56 SEAP-AGE, ES
3267 32 74 RUNNET, RU
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
37215 30 36 MAREN, MW
27609 29 45 USC-UNIVERSITY-HOSPITAL, 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 14:91 23:4
24:3 31:1 35:3 38:10 40:1 41:92
42:16 44:5 45:29 46:5 47:1 49:9
50:3 52:1 58:16 59:20 60:6 61:3
62:8 63:32 64:44 65:1 66:49 67:40
68:10 69:18 70:2 71:1 72:7 74:51
76:39 77:11 78:3 79:10 80:12 81:26
82:7 83:7 84:5 85:41 86:5 87:1
89:11 91:51 92:2 93:5 94:2 95:2
96:5 97:1 98:2 101:4 102:7 103:271
104:76 108:8 109:8 114:24 116:8 117:61
118:35 119:21 121:12 122:8 123:8 124:41
125:5 128:88 129:40 130:84 131:59 132:66
133:157 134:107 136:10 137:51 138:57 139:4
140:34 141:3 142:26 143:22 144:23 145:2
146:43 147:61 148:194 149:11 150:38 151:9
152:104 153:14 154:31 155:63 156:139 157:5
158:35 159:119 160:30 161:16 162:20 163:58
164:14 165:48 166:1 167:9 168:104 169:6
170:20 171:1 172:3 173:6 175:18 176:8
179:3 180:15 181:1 182:1 184:5 185:52
187:1 188:13 190:17 191:3 192:1455 193:266
194:143 195:74 196:149 197:3 198:452 199:264
200:53 201:5 202:609 203:427 204:359 205:134
206:194 207:206 208:72 209:110 210:189 211:15
212:161 213:6 214:5 216:92 217:10 218:22
219:5 220:17 222:3 223:14
End of report
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