[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jul 12 19:05:41 UTC 2024
IPv4 R&E Routing Table Report 19:05 GMT Fri 12 Jul, 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: 17886
Prefixes after maximum aggregation (per Origin AS): 9782
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 10761
Number of IPv4 prefixes with a valid ROA: 6098
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 11770
Total ASes present in the Internet Routing Table: 2595
Prefixes per ASN: 6.89
Origin-only ASes present in the Internet Routing Table: 2250
Origin ASes announcing only one prefix: 999
Transit ASes present in the Internet Routing Table: 345
Transit-only ASes present in the Internet Routing Table: 66
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 7.5
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: 44959
Number of 32-bit ASNs visible in the Routing Table: 627
Prefixes from 32-bit ASNs in the Routing Table: 1728
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: 4
Number of addresses announced to Internet: 184942848
Equivalent to 11 /8s, 6 /16s and 1 /24s
Percentage of available address space announced: 5.0
Percentage of allocated address space announced: 5.0
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: 2111
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3856
Total APNIC prefixes after maximum aggregation: 1688
APNIC Deaggregation factor: 2.28
Prefixes being announced from the APNIC address blocks: 3857
Unique aggregates announced from the APNIC address blocks: 1934
APNIC Region origin ASes present in the Internet Routing Table: 490
APNIC Prefixes per ASN: 7.87
APNIC Region origin ASes announcing only one prefix: 207
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 220
Number of APNIC addresses announced to Internet: 32147456
Equivalent to 1 /8s, 234 /16s and 136 /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: 8233
Total ARIN prefixes after maximum aggregation: 4596
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 8244
Unique aggregates announced from the ARIN address blocks: 5062
ARIN Region origin ASes present in the Internet Routing Table: 1200
ARIN Prefixes per ASN: 6.87
ARIN Region origin ASes announcing only one prefix: 425
ARIN Region transit ASes present in the Internet Routing Table: 147
Average ARIN Region AS path length visible: 9.2
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 191
Number of ARIN addresses announced to Internet: 88732416
Equivalent to 5 /8s, 73 /16s and 243 /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: 3504
Total RIPE prefixes after maximum aggregation: 2838
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3492
Unique aggregates announced from the RIPE address blocks: 2883
RIPE Region origin ASes present in the Internet Routing Table: 656
RIPE Prefixes per ASN: 5.32
RIPE Region origin ASes announcing only one prefix: 297
RIPE Region transit ASes present in the Internet Routing Table: 95
Average RIPE Region AS path length visible: 6.1
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 147
Number of RIPE addresses announced to Internet: 57571072
Equivalent to 3 /8s, 110 /16s and 119 /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: 1277
Total LACNIC prefixes after maximum aggregation: 512
LACNIC Deaggregation factor: 2.49
Prefixes being announced from the LACNIC address blocks: 1277
Unique aggregates announced from the LACNIC address blocks: 694
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 8.29
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 8.1
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 4163328
Equivalent to 0 /8s, 63 /16s and 135 /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: 1012
Total AfriNIC prefixes after maximum aggregation: 144
AfriNIC Deaggregation factor: 7.03
Prefixes being announced from the AfriNIC address blocks: 1012
Unique aggregates announced from the AfriNIC address blocks: 185
AfriNIC Region origin ASes present in the Internet Routing Table: 27
AfriNIC Prefixes per ASN: 37.48
AfriNIC Region origin ASes announcing only one prefix: 13
AfriNIC Region transit ASes present in the Internet Routing Table: 6
Average AfriNIC Region AS path length visible: 6.9
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2320128
Equivalent to 0 /8s, 35 /16s and 103 /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
7497 446 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 142 KREONET-AS-KR KISTI, KR
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
4758 168 16 1 NICNET-VSNL-BOARDER-AP National Informati
55824 152 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
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
2697 58 4 34 ERX-ERNET-AS Education and Research Netwo
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 493 507 97 CENIC-2152, US
2920 230 44 49 LACOE, US
668 204 632 173 DNIC-AS-00668, US
376 202 162 151 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 85 543 51 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 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 91 26 71 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 RUNNET, 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
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
1916 141 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 109 25 52 Red Universitaria Nacional, CL
271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 48 17 3 Red de Interconexion Universitaria, AR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
61468 45 5 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blumena
3596 37 8 4 Universidad Autonoma Metropolitana, MX
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
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 452 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 11 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37215 8 8 1 MAREN, MW
37654 6 1 6 RwEdNet-AS, RW
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
2152 493 507 97 CENIC-2152, US
36914 452 82 3 KENET-AS, KE
7497 446 180 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 230 44 49 LACOE, US
668 204 632 173 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
1237 191 74 142 KREONET-AS-KR KISTI, KR
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 452 449 KENET-AS, KE
7497 446 422 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
5786 199 198 UPRENET, PR
2920 230 181 LACOE, US
4758 168 167 NICNET-VSNL-BOARDER-AP National Informatics Cen
18558 141 136 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
55824 152 115 NKN-CORE-NW NKN Core Network, IN
81 133 100 NCREN, US
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
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 /11:1 /12:10
/13:18 /14:33 /15:118 /16:1781 /17:381 /18:415
/19:543 /20:811 /21:796 /22:1334 /23:1468 /24:10175
/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 442 452 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
2152 60 493 CENIC-2152, US
23024 38 96 OCDE, US
32440 36 62 LONI, US
3267 35 76 RUNNET, RU
327700 34 38 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
200521 32 54 SEAP-AGE, ES
18632 30 63 VOLCANO-VISION, 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 14:91
23:5 24:1 31:1 35:3 38:10 40:1
41:172 42:10 44:4 45:46 46:5 47:1
49:10 50:4 52:1 58:1 59:19 60:6
61:3 62:7 63:37 64:42 65:5 66:43
67:41 68:2 69:19 70:2 71:1 72:5
74:18 76:41 77:10 78:3 79:10 80:14
81:24 82:5 83:7 84:5 85:42 86:5
87:1 89:11 91:47 92:2 93:5 94:2
95:1 96:5 97:1 98:2 101:1 102:2
103:316 104:77 107:13 108:8 109:7 111:16
114:24 116:8 117:61 118:34 119:23 121:27
122:8 123:8 124:42 125:5 128:82 129:37
130:94 131:55 132:65 134:105 136:198 137:78
138:57 139:5 140:38 141:3 142:25 143:25
144:26 145:2 146:135 147:57 148:194 149:11
150:37 151:7 152:135 153:15 154:29 155:62
156:134 157:12 158:35 159:121 160:4 161:17
162:17 163:53 164:165 165:48 166:1 167:14
168:105 169:6 170:100 171:1 172:3 173:7
175:29 176:8 177:5 179:14 180:15 181:1
182:1 184:2 185:49 186:3 187:18 188:13
189:3 190:18 191:3 192:1314 193:256 194:134
195:74 196:151 197:315 198:538 199:274 200:249
201:38 202:456 203:431 204:377 205:168 206:199
207:266 208:68 209:164 210:206 211:14 212:163
213:4 214:8 216:78 217:9 218:22 219:1
220:18 222:2 223:14
End of report
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