[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Feb 11 19:05:43 UTC 2023
IPv4 R&E Routing Table Report 19:05 GMT Sat 11 Feb, 2023
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: 18871
Prefixes after maximum aggregation (per Origin AS): 10663
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 11860
Number of IPv4 prefixes with a valid ROA: 4713
Number of IPv4 prefixes with an invalid ROA: 67
Number of IPv4 prefixes with no ROA: 14091
Total ASes present in the Internet Routing Table: 2798
Prefixes per ASN: 6.74
Origin-only ASes present in the Internet Routing Table: 2420
Origin ASes announcing only one prefix: 1075
Transit ASes present in the Internet Routing Table: 378
Transit-only ASes present in the Internet Routing Table: 68
Paths with bogon ASNs present in the IPv4 Routing Table: 6
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 9
Number of instances of unregistered ASNs: 9
Number of 32-bit ASNs allocated by the RIRs: 41191
Number of 32-bit ASNs visible in the Routing Table: 645
Prefixes from 32-bit ASNs in the Routing Table: 1796
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: 2
Number of addresses announced to Internet: 204521216
Equivalent to 12 /8s, 48 /16s and 191 /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: 2095
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4879
Total APNIC prefixes after maximum aggregation: 2321
APNIC Deaggregation factor: 2.10
Prefixes being announced from the APNIC address blocks: 4884
Unique aggregates announced from the APNIC address blocks: 2643
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 8.35
APNIC Region origin ASes announcing only one prefix: 244
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 45912832
Equivalent to 2 /8s, 188 /16s and 147 /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, 131072-151865
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: 8033
Total ARIN prefixes after maximum aggregation: 4700
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 8053
Unique aggregates announced from the ARIN address blocks: 5262
ARIN Region origin ASes present in the Internet Routing Table: 1249
ARIN Prefixes per ASN: 6.45
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 163
Average ARIN Region AS path length visible: 5.6
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 188
Number of ARIN addresses announced to Internet: 94052864
Equivalent to 5 /8s, 155 /16s and 34 /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, 393216-401308
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: 3566
Total RIPE prefixes after maximum aggregation: 2867
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3553
Unique aggregates announced from the RIPE address blocks: 2885
RIPE Region origin ASes present in the Internet Routing Table: 685
RIPE Prefixes per ASN: 5.19
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 141
Number of RIPE addresses announced to Internet: 57919744
Equivalent to 3 /8s, 115 /16s and 201 /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
196608-213403
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: 1361
Total LACNIC prefixes after maximum aggregation: 558
LACNIC Deaggregation factor: 2.44
Prefixes being announced from the LACNIC address blocks: 1357
Unique aggregates announced from the LACNIC address blocks: 775
LACNIC Region origin ASes present in the Internet Routing Table: 151
LACNIC Prefixes per ASN: 8.99
LACNIC Region origin ASes announcing only one prefix: 54
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: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 3976448
Equivalent to 0 /8s, 60 /16s and 173 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 1023
Total AfriNIC prefixes after maximum aggregation: 208
AfriNIC Deaggregation factor: 4.92
Prefixes being announced from the AfriNIC address blocks: 1022
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 54
AfriNIC Prefixes per ASN: 18.93
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 5.8
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2658560
Equivalent to 0 /8s, 40 /16s and 145 /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 583 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
1237 185 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
4758 161 16 1 NICNET-VSNL-BOARDER-AP National Informa
55824 141 19 30 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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
668 217 698 178 DNIC-AS-00668, US
2152 211 507 93 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
18558 133 18 4 NETBLK-RCOEK, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, 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
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 135 24 4 ISU Internet Services Unit ISU, SA
559 114 550 105 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
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 158 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 57 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 45 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
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
2018 374 319 72 TENET-1, ZA
36914 251 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 44 28 3 RENU, UG
327700 35 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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 583 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 374 319 72 TENET-1, ZA
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 251 82 3 KENET-AS, KE
668 217 698 178 DNIC-AS-00668, US
2152 211 507 93 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
786 186 1775 183 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 374 302 TENET-1, ZA
36914 251 248 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
4758 161 160 NICNET-VSNL-BOARDER-AP National Informatics Cen
8895 135 131 ISU Internet Services Unit ISU, SA
18558 133 129 NETBLK-RCOEK, US
2152 211 118 CSUNET-NW, US
1916 158 115 Rede Nacional de Ensino e Pesquisa, BR
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 Comm
65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and Comm
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
65200 PRIVATE 220.247.225.0/24 132124 ICTA-LK Information and Comm
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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 /10:2 /11:1 /12:10
/13:18 /14:34 /15:122 /16:1994 /17:415 /18:441
/19:582 /20:902 /21:877 /22:1488 /23:1584 /24:10400
/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 238 251 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 35 50 LONI, US
18632 34 65 VOLCANO-VISION, US
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
37182 30 31 TERNET, TZ
200521 30 53 SEAP-AGE, ES
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 14:89
23:9 24:3 31:7 35:6 38:9 40:1
41:142 42:10 44:5 45:34 46:5 47:1
49:10 50:4 52:1 58:1 59:20 60:4
61:3 62:10 63:37 64:58 65:5 66:47
67:44 68:8 69:21 70:2 71:1 72:7
74:50 76:39 77:9 78:3 79:10 80:17
81:28 82:6 83:6 84:7 85:42 86:5
87:1 89:10 91:47 92:2 93:4 94:4
95:2 96:5 97:2 98:2 101:6 102:15
103:331 104:77 107:16 108:8 109:10 110:2
111:16 114:23 116:6 117:61 118:32 119:21
121:27 122:8 123:8 124:39 125:4 128:86
129:41 130:88 131:63 132:63 133:149 134:101
136:199 137:79 138:9 139:6 140:57 141:1
142:39 143:30 144:23 145:2 146:131 147:59
148:193 149:12 150:130 151:7 152:73 153:14
154:29 155:55 156:68 157:29 158:36 159:114
160:27 161:20 162:21 163:80 164:156 165:51
166:1 167:12 168:123 169:10 170:74 171:1
172:3 173:7 175:31 176:8 177:9 179:9
180:17 181:1 182:1 184:3 185:47 186:3
187:19 188:13 189:3 190:15 191:36 192:1367
193:347 194:147 195:88 196:161 197:154 198:524
199:283 200:221 201:35 202:626 203:419 204:355
205:132 206:197 207:182 208:69 209:130 210:186
211:18 212:168 213:5 214:8 216:88 217:11
218:22 219:6 220:17 222:5 223:4
End of report
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