[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Apr 6 19:05:41 UTC 2023
IPv4 R&E Routing Table Report 19:05 GMT Thu 06 Apr, 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: 17972
Prefixes after maximum aggregation (per Origin AS): 10030
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 11116
Number of IPv4 prefixes with a valid ROA: 4864
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 13091
Total ASes present in the Internet Routing Table: 2723
Prefixes per ASN: 6.60
Origin-only ASes present in the Internet Routing Table: 2340
Origin ASes announcing only one prefix: 1040
Transit ASes present in the Internet Routing Table: 383
Transit-only ASes present in the Internet Routing Table: 73
Paths with bogon ASNs present in the IPv4 Routing Table: 6
Average AS path length visible in the Internet Routing Table: 6.4
Max AS path length visible: 22
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 41614
Number of 32-bit ASNs visible in the Routing Table: 645
Prefixes from 32-bit ASNs in the Routing Table: 1809
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: 191065600
Equivalent to 11 /8s, 99 /16s and 110 /24s
Percentage of available address space announced: 5.2
Percentage of allocated address space announced: 5.2
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: 2082
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3879
Total APNIC prefixes after maximum aggregation: 1708
APNIC Deaggregation factor: 2.27
Prefixes being announced from the APNIC address blocks: 3883
Unique aggregates announced from the APNIC address blocks: 1954
APNIC Region origin ASes present in the Internet Routing Table: 496
APNIC Prefixes per ASN: 7.83
APNIC Region origin ASes announcing only one prefix: 205
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 219
Number of APNIC addresses announced to Internet: 32597760
Equivalent to 1 /8s, 241 /16s and 103 /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: 8123
Total ARIN prefixes after maximum aggregation: 4726
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8140
Unique aggregates announced from the ARIN address blocks: 5270
ARIN Region origin ASes present in the Internet Routing Table: 1260
ARIN Prefixes per ASN: 6.46
ARIN Region origin ASes announcing only one prefix: 451
ARIN Region transit ASes present in the Internet Routing Table: 167
Average ARIN Region AS path length visible: 7.2
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 196
Number of ARIN addresses announced to Internet: 93772288
Equivalent to 5 /8s, 150 /16s and 218 /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: 3562
Total RIPE prefixes after maximum aggregation: 2854
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3549
Unique aggregates announced from the RIPE address blocks: 2879
RIPE Region origin ASes present in the Internet Routing Table: 684
RIPE Prefixes per ASN: 5.19
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 101
Average RIPE Region AS path length visible: 4.9
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: 57911296
Equivalent to 3 /8s, 115 /16s and 168 /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: 1448
Total LACNIC prefixes after maximum aggregation: 560
LACNIC Deaggregation factor: 2.59
Prefixes being announced from the LACNIC address blocks: 1445
Unique aggregates announced from the LACNIC address blocks: 781
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 9.26
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 8.1
Max LACNIC Region AS path length visible: 15
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 4145408
Equivalent to 0 /8s, 63 /16s and 65 /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: 954
Total AfriNIC prefixes after maximum aggregation: 176
AfriNIC Deaggregation factor: 5.42
Prefixes being announced from the AfriNIC address blocks: 953
Unique aggregates announced from the AfriNIC address blocks: 230
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 18.69
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2638080
Equivalent to 0 /8s, 40 /16s and 65 /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 434 182 24 CSTNET-AS-AP Computer Network Informati
1237 189 74 139 KREONET-AS-KR KISTI, KR
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
4758 162 16 1 NICNET-VSNL-BOARDER-AP National Informa
55824 141 19 30 NKN-CORE-NW NKN Core Network, IN
4538 130 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
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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 236 507 94 CSUNET-NW, US
668 216 636 179 DNIC-AS-00668, US
376 198 178 148 RISQ-AS, CA
5786 171 16 1 UPRENET, PR
18558 139 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, 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
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 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 135 24 3 ISU Internet Services Unit ISU, SA
559 112 533 104 SWITCH Peering requests: peering at switch
1103 95 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 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 223 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
1251 59 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 45 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
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 382 319 72 TENET-1, ZA
36914 254 82 3 KENET-AS, KE
327687 63 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 33 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 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
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 382 319 72 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 254 82 3 KENET-AS, KE
2152 236 507 94 CSUNET-NW, US
1916 223 208 43 Rede Nacional de Ensino e Pesquisa, BR
668 216 636 179 DNIC-AS-00668, US
376 198 178 148 RISQ-AS, CA
1237 189 74 139 KREONET-AS-KR KISTI, KR
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
2018 382 310 TENET-1, ZA
36914 254 251 KENET-AS, KE
1916 223 180 Rede Nacional de Ensino e Pesquisa, BR
5786 171 170 UPRENET, PR
4758 162 161 NICNET-VSNL-BOARDER-AP National Informatics Cen
2152 236 142 CSUNET-NW, US
18558 139 135 NETBLK-RCOEK, US
8895 135 132 ISU Internet Services Unit ISU, SA
55824 141 111 NKN-CORE-NW NKN Core Network, IN
2920 107 100 LACOE, 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 Comm
65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and Comm
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, 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 /14:33 /15:122 /16:1814 /17:381 /18:417
/19:555 /20:855 /21:824 /22:1410 /23:1493 /24:10036
/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 241 254 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
18632 34 66 VOLCANO-VISION, US
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:14 6:4 8:2 12:1 14:89
23:9 24:1 31:7 35:6 38:9 40:1
41:107 42:10 44:5 45:40 46:5 47:1
49:6 50:4 52:1 58:1 59:20 60:4
61:3 62:11 63:37 64:59 65:5 66:48
67:44 68:8 69:19 70:2 71:1 72:7
74:50 76:42 77:9 78:3 79:10 80:17
81:28 82:7 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 98:2 101:6 102:16
103:310 104:77 107:16 108:10 109:10 110:2
111:16 114:23 116:6 117:61 118:32 119:21
121:28 122:8 123:8 124:39 125:4 128:86
129:41 130:87 131:59 132:56 134:99 136:171
137:91 138:9 139:6 140:54 141:1 142:39
143:29 144:26 145:2 146:131 147:55 148:193
149:12 150:128 151:9 152:144 153:14 154:31
155:55 156:67 157:32 158:36 159:115 160:1
161:21 162:26 163:69 164:157 165:51 166:1
167:16 168:123 169:7 170:79 171:1 172:3
173:7 175:31 176:8 177:9 179:9 180:15
181:1 182:1 184:3 185:49 186:3 187:18
188:13 189:3 190:18 191:36 192:1310 193:308
194:145 195:68 196:169 197:158 198:526 199:281
200:282 201:38 202:466 203:430 204:364 205:134
206:196 207:181 208:71 209:132 210:184 211:17
212:170 213:5 214:8 216:87 217:10 218:22
219:1 220:17 222:5 223:4
End of report
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