[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Aug 19 19:05:39 UTC 2024
IPv4 R&E Routing Table Report 19:05 GMT Mon 19 Aug, 2024
IPv4 BGP Table (R&E) as seen at BDREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/BDREN/
Analysis Summary
----------------
BGP routing table entries examined: 19652
Prefixes after maximum aggregation (per Origin AS): 10726
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 11834
Number of IPv4 prefixes with a valid ROA: 6415
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 13219
Total ASes present in the Internet Routing Table: 2802
Prefixes per ASN: 7.01
Origin-only ASes present in the Internet Routing Table: 2422
Origin ASes announcing only one prefix: 1075
Transit ASes present in the Internet Routing Table: 380
Transit-only ASes present in the Internet Routing Table: 69
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 12
Max AS path prepend of ASN (136911) 11
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 45206
Number of 32-bit ASNs visible in the Routing Table: 670
Prefixes from 32-bit ASNs in the Routing Table: 1900
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: 202519040
Equivalent to 12 /8s, 18 /16s and 50 /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: 2332
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4936
Total APNIC prefixes after maximum aggregation: 2339
APNIC Deaggregation factor: 2.11
Prefixes being announced from the APNIC address blocks: 4937
Unique aggregates announced from the APNIC address blocks: 2667
APNIC Region origin ASes present in the Internet Routing Table: 588
APNIC Prefixes per ASN: 8.40
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 235
Number of APNIC addresses announced to Internet: 45809920
Equivalent to 2 /8s, 187 /16s and 1 /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: 8649
Total ARIN prefixes after maximum aggregation: 4862
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8660
Unique aggregates announced from the ARIN address blocks: 5361
ARIN Region origin ASes present in the Internet Routing Table: 1287
ARIN Prefixes per ASN: 6.73
ARIN Region origin ASes announcing only one prefix: 456
ARIN Region transit ASes present in the Internet Routing Table: 162
Average ARIN Region AS path length visible: 5.6
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 210
Number of ARIN addresses announced to Internet: 90482432
Equivalent to 5 /8s, 100 /16s and 167 /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: 3560
Total RIPE prefixes after maximum aggregation: 2844
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3548
Unique aggregates announced from the RIPE address blocks: 2899
RIPE Region origin ASes present in the Internet Routing Table: 672
RIPE Prefixes per ASN: 5.28
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: 4.7
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 152
Number of RIPE addresses announced to Internet: 59614208
Equivalent to 3 /8s, 141 /16s and 164 /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: 1364
Total LACNIC prefixes after maximum aggregation: 524
LACNIC Deaggregation factor: 2.60
Prefixes being announced from the LACNIC address blocks: 1364
Unique aggregates announced from the LACNIC address blocks: 707
LACNIC Region origin ASes present in the Internet Routing Table: 153
LACNIC Prefixes per ASN: 8.92
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 4183808
Equivalent to 0 /8s, 63 /16s and 215 /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: 1139
Total AfriNIC prefixes after maximum aggregation: 153
AfriNIC Deaggregation factor: 7.44
Prefixes being announced from the AfriNIC address blocks: 1138
Unique aggregates announced from the AfriNIC address blocks: 196
AfriNIC Region origin ASes present in the Internet Routing Table: 31
AfriNIC Prefixes per ASN: 36.71
AfriNIC Region origin ASes announcing only one prefix: 14
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 5.5
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 11
Number of AfriNIC addresses announced to Internet: 2418176
Equivalent to 0 /8s, 36 /16s and 230 /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 588 2169 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 190 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
4758 169 16 1 NICNET-VSNL-BOARDER-AP National Informati
55824 154 20 37 NKN-CORE-NW NKN Core Network, IN
4538 129 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
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 506 507 99 CENIC-2152, US
2920 229 44 49 LACOE, US
668 202 616 171 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
23024 96 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, US
237 85 541 50 MERIT-AS-14, US
Complete listing at https://bgp.nsrc.org/REN/BDREN/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 Deutschen
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.c
1103 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 90 26 70 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 76 26 66 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 159 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 49 5 17 CEDIA, EC
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
28614 38 2 2 Fundacao Universidade Regional de Blumena
3596 37 8 4 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 529 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
37182 38 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37215 7 8 1 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 588 2169 464 SINET-AS Research Organization of Informa
36914 529 82 3 KENET-AS, KE
2152 506 507 99 CENIC-2152, US
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
680 283 1899 250 DFN Verein zur Foerderung eines Deutschen
2920 229 44 49 LACOE, US
668 202 616 171 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 529 526 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2152 506 407 CENIC-2152, US
2018 381 310 TENET-1, ZA
5786 199 198 UPRENET, PR
2920 229 180 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
4758 169 168 NICNET-VSNL-BOARDER-AP National Informatics Cen
18558 141 136 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65200 PRIVATE 43.224.124.0/22 132124 ICTA-LK Information and
65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
65200 PRIVATE 220.247.225.0/24 132124 ICTA-LK Information and
Complete listing at https://bgp.nsrc.org/REN/BDREN/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/BDREN/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 /12:10
/13:18 /14:33 /15:118 /16:1993 /17:423 /18:446
/19:589 /20:908 /21:879 /22:1476 /23:1632 /24:11123
/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
36914 506 529 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
2152 61 506 CENIC-2152, US
327700 39 45 MoRENet, MZ
23024 38 96 OCDE, US
37182 37 38 TERNET, TZ
32440 36 63 LONI, US
3267 35 76 NIKS, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 6:4 8:2 12:1 14:92
23:7 24:3 31:1 35:3 37:8 38:10
40:1 41:259 42:10 44:5 45:46 46:5
47:1 49:10 50:5 52:1 58:1 59:19
60:6 61:3 62:8 63:35 64:45 65:1
66:51 67:43 68:12 69:18 70:2 71:1
72:7 74:54 76:42 77:10 78:3 79:10
80:13 81:24 82:6 83:7 84:5 85:33
86:5 87:1 89:11 91:49 92:2 93:13
94:2 95:1 96:5 97:2 98:2 101:1
102:6 103:342 104:78 107:2 108:8 109:8
111:16 113:2 114:24 116:8 117:61 118:34
119:23 121:26 122:8 123:8 124:42 125:5
128:84 129:34 130:96 131:62 132:67 133:154
134:108 136:192 137:89 138:58 139:6 140:36
141:3 142:24 143:24 144:23 145:2 146:135
147:63 148:194 149:13 150:40 151:9 152:135
153:15 154:37 155:63 156:133 157:21 158:35
159:121 160:30 161:17 162:24 163:63 164:167
165:47 166:1 167:26 168:119 169:6 170:93
171:1 172:2 173:6 175:29 176:8 177:6
179:13 180:15 181:1 182:9 184:3 185:53
186:3 187:20 188:13 189:3 190:18 191:13
192:1399 193:269 194:138 195:74 196:150 197:316
198:582 199:275 200:285 201:38 202:637 203:433
204:405 205:174 206:211 207:309 208:67 209:163
210:219 211:14 212:162 213:6 214:8 216:90
217:9 218:22 219:5 220:18 222:2 223:14
End of report
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