[REN-BGP-stats-all] IPv4 R&E Routing Table Report - URAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Oct 4 17:10:42 UTC 2024
IPv4 R&E Routing Table Report 17:10 GMT Fri 04 Oct, 2024
IPv4 BGP Table (R&E) as seen at URAN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/URAN/
Analysis Summary
----------------
BGP routing table entries examined: 19438
Prefixes after maximum aggregation (per Origin AS): 10581
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 11658
Number of IPv4 prefixes with a valid ROA: 6990
Number of IPv4 prefixes with an invalid ROA: 4
Number of IPv4 prefixes with no ROA: 12444
Total ASes present in the Internet Routing Table: 2722
Prefixes per ASN: 7.14
Origin-only ASes present in the Internet Routing Table: 2360
Origin ASes announcing only one prefix: 1052
Transit ASes present in the Internet Routing Table: 362
Transit-only ASes present in the Internet Routing Table: 59
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.9
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: 45476
Number of 32-bit ASNs visible in the Routing Table: 672
Prefixes from 32-bit ASNs in the Routing Table: 1892
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: 204228464
Equivalent to 12 /8s, 44 /16s and 71 /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: 2301
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4715
Total APNIC prefixes after maximum aggregation: 2302
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4711
Unique aggregates announced from the APNIC address blocks: 2644
APNIC Region origin ASes present in the Internet Routing Table: 582
APNIC Prefixes per ASN: 8.09
APNIC Region origin ASes announcing only one prefix: 246
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 229
Number of APNIC addresses announced to Internet: 45771840
Equivalent to 2 /8s, 186 /16s and 108 /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: 8722
Total ARIN prefixes after maximum aggregation: 4906
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8737
Unique aggregates announced from the ARIN address blocks: 5376
ARIN Region origin ASes present in the Internet Routing Table: 1266
ARIN Prefixes per ASN: 6.90
ARIN Region origin ASes announcing only one prefix: 441
ARIN Region transit ASes present in the Internet Routing Table: 152
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 206
Number of ARIN addresses announced to Internet: 92463008
Equivalent to 5 /8s, 130 /16s and 223 /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: 3314
Total RIPE prefixes after maximum aggregation: 2658
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3303
Unique aggregates announced from the RIPE address blocks: 2688
RIPE Region origin ASes present in the Internet Routing Table: 607
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 281
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 143
Number of RIPE addresses announced to Internet: 59291792
Equivalent to 3 /8s, 136 /16s and 184 /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: 1513
Total LACNIC prefixes after maximum aggregation: 540
LACNIC Deaggregation factor: 2.80
Prefixes being announced from the LACNIC address blocks: 1510
Unique aggregates announced from the LACNIC address blocks: 721
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 9.68
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: 5.7
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4199168
Equivalent to 0 /8s, 64 /16s and 19 /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: 1173
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.74
Prefixes being announced from the AfriNIC address blocks: 1172
Unique aggregates announced from the AfriNIC address blocks: 225
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 22.98
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2492160
Equivalent to 0 /8s, 38 /16s and 7 /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 600 2170 465 SINET-AS Research Organization of Informa
7497 451 212 25 CSTNET-AS-AP Computer Network Information
1237 194 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 130 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 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/URAN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 448 507 97 CENIC-2152, US
2920 224 44 45 LACOE, US
668 205 648 174 DNIC-AS-00668, US
376 200 162 149 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
270 162 345 88 AS270, US
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
23024 95 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/URAN/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 Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 135 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 98 2015 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 92 26 72 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
2200 63 598 58 FR-RENATER Reseau National de telecommuni
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 281 180 43 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
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 531 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
30983 12 4 2 MARWAN-AS, MA
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 600 2170 465 SINET-AS Research Organization of Informa
36914 531 82 3 KENET-AS, KE
7497 451 212 25 CSTNET-AS-AP Computer Network Information
2152 448 507 97 CENIC-2152, US
2018 381 319 71 TENET-1, ZA
680 282 1899 249 DFN Verein zur Foerderung eines Deutschen
1916 281 180 43 Rede Nacional de Ensino e Pesquisa, BR
2920 224 44 45 LACOE, US
668 205 648 174 DNIC-AS-00668, US
376 200 162 149 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 531 528 KENET-AS, KE
7497 451 426 CSTNET-AS-AP Computer Network Information Cente
2152 448 351 CENIC-2152, US
2018 381 310 TENET-1, ZA
1916 281 238 Rede Nacional de Ensino e Pesquisa, BR
5786 198 197 UPRENET, PR
2920 224 179 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
18558 140 136 NETBLK-RCOEK, US
8895 135 130 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/URAN/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/URAN/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
202.46.0.0/20 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
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/URAN/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 /11:2 /12:11
/13:18 /14:35 /15:119 /16:2012 /17:428 /18:457
/19:574 /20:843 /21:888 /22:1435 /23:1551 /24:10867
/25:56 /26:69 /27:37 /28:8 /29:13 /30:10
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 510 531 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
1916 70 281 Rede Nacional de Ensino e Pesquisa, BR
2152 43 448 CENIC-2152, US
23024 37 95 OCDE, US
32440 37 64 LONI, US
327700 33 38 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 32 55 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/URAN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:92
23:5 24:3 31:1 35:3 37:8 38:10
40:1 41:245 42:10 44:5 45:44 46:4
47:1 49:11 50:3 52:1 58:1 59:19
60:6 61:3 62:6 63:33 64:44 65:4
66:42 67:41 68:12 69:19 70:2 71:1
72:7 74:53 76:42 77:7 78:3 79:10
80:8 81:24 82:4 83:6 84:7 85:25
86:3 87:1 89:11 91:42 93:13 94:2
95:2 96:5 97:1 98:2 101:1 102:13
103:323 104:79 108:8 109:4 111:16 113:2
114:24 116:9 117:61 118:34 119:25 121:27
122:8 123:8 124:42 125:5 128:52 129:37
130:95 131:63 132:65 133:154 134:108 136:198
137:83 138:57 139:6 140:36 141:3 142:52
143:26 144:28 145:2 146:135 147:61 148:194
149:13 150:40 151:9 152:139 153:14 154:38
155:63 156:138 157:26 158:31 159:121 160:30
161:17 162:22 163:61 164:14 165:49 166:1
167:26 168:119 169:7 170:88 172:2 173:7
175:16 177:6 179:13 180:16 181:1 182:9
184:7 185:46 186:3 187:21 188:11 189:3
190:18 191:13 192:1483 193:258 194:115 195:71
196:149 197:321 198:550 199:278 200:329 201:37
202:631 203:437 204:402 205:164 206:210 207:294
208:66 209:138 210:216 211:3 212:161 213:4
214:8 216:89 217:9 218:21 219:5 220:17
222:2 223:15
End of report
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