[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Apr 14 19:05:43 UTC 2023
IPv4 R&E Routing Table Report 19:05 GMT Fri 14 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: 18042
Prefixes after maximum aggregation (per Origin AS): 10047
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 11125
Number of IPv4 prefixes with a valid ROA: 4857
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 13168
Total ASes present in the Internet Routing Table: 2725
Prefixes per ASN: 6.62
Origin-only ASes present in the Internet Routing Table: 2340
Origin ASes announcing only one prefix: 1045
Transit ASes present in the Internet Routing Table: 385
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: 8
Number of instances of unregistered ASNs: 8
Number of 32-bit ASNs allocated by the RIRs: 41653
Number of 32-bit ASNs visible in the Routing Table: 649
Prefixes from 32-bit ASNs in the Routing Table: 1838
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: 190831616
Equivalent to 11 /8s, 95 /16s and 220 /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: 2074
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3884
Total APNIC prefixes after maximum aggregation: 1712
APNIC Deaggregation factor: 2.27
Prefixes being announced from the APNIC address blocks: 3888
Unique aggregates announced from the APNIC address blocks: 1958
APNIC Region origin ASes present in the Internet Routing Table: 499
APNIC Prefixes per ASN: 7.79
APNIC Region origin ASes announcing only one prefix: 207
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: 221
Number of APNIC addresses announced to Internet: 32599552
Equivalent to 1 /8s, 241 /16s and 110 /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: 8131
Total ARIN prefixes after maximum aggregation: 4707
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 8151
Unique aggregates announced from the ARIN address blocks: 5256
ARIN Region origin ASes present in the Internet Routing Table: 1255
ARIN Prefixes per ASN: 6.49
ARIN Region origin ASes announcing only one prefix: 451
ARIN Region transit ASes present in the Internet Routing Table: 166
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: 195
Number of ARIN addresses announced to Internet: 93699840
Equivalent to 5 /8s, 149 /16s and 191 /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: 3591
Total RIPE prefixes after maximum aggregation: 2873
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3577
Unique aggregates announced from the RIPE address blocks: 2889
RIPE Region origin ASes present in the Internet Routing Table: 688
RIPE Prefixes per ASN: 5.20
RIPE Region origin ASes announcing only one prefix: 305
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 143
Number of RIPE addresses announced to Internet: 57941248
Equivalent to 3 /8s, 116 /16s and 29 /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: 1475
Total LACNIC prefixes after maximum aggregation: 569
LACNIC Deaggregation factor: 2.59
Prefixes being announced from the LACNIC address blocks: 1472
Unique aggregates announced from the LACNIC address blocks: 788
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 9.56
LACNIC Region origin ASes announcing only one prefix: 55
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: 3918848
Equivalent to 0 /8s, 59 /16s and 204 /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: 953
Total AfriNIC prefixes after maximum aggregation: 178
AfriNIC Deaggregation factor: 5.35
Prefixes being announced from the AfriNIC address blocks: 952
Unique aggregates announced from the AfriNIC address blocks: 232
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 18.31
AfriNIC Region origin ASes announcing only one prefix: 27
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: 28
Number of AfriNIC addresses announced to Internet: 2671360
Equivalent to 0 /8s, 40 /16s and 195 /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 174 329 119 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 69 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 238 507 94 CSUNET-NW, US
668 216 636 179 DNIC-AS-00668, US
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
18558 138 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 60 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 44 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 253 82 3 KENET-AS, KE
327687 63 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
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 253 82 3 KENET-AS, KE
2152 238 507 94 CSUNET-NW, US
1916 223 208 43 Rede Nacional de Ensino e Pesquisa, BR
668 216 636 179 DNIC-AS-00668, US
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
1237 189 74 139 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
2018 382 310 TENET-1, ZA
36914 253 250 KENET-AS, KE
5786 199 198 UPRENET, PR
1916 223 180 Rede Nacional de Ensino e Pesquisa, BR
4758 162 161 NICNET-VSNL-BOARDER-AP National Informatics Cen
2152 238 144 CSUNET-NW, US
18558 138 134 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
18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US
18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, 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 /16:1810 /17:381 /18:418
/19:557 /20:853 /21:824 /22:1416 /23:1492 /24:10104
/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 240 253 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
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
200521 30 52 SEAP-AGE, ES
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 5:15 6:4 8:2 12:1 14:89
23:9 24:1 31:7 35:6 38:9 40:1
41:104 42:10 44:6 45:37 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
67:43 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 91:48 92:2 93:4 94:4
95:2 96:5 97:2 98:2 101:6 102:16
103:314 104:76 107:16 108:10 109:9 110:2
111:16 114:23 116:6 117:61 118:32 119:21
121:28 122:8 123:8 124:39 125:4 128:86
129:41 130:87 131:59 132:62 134:99 136:199
137:91 138:9 139:6 140:54 141:1 142:39
143:29 144:26 145:2 146:131 147:56 148:193
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
173:7 175:31 176:8 177:9 179:10 180:15
181:1 182:1 184:3 185:48 186:3 187:18
188:13 189:3 190:18 191:36 192:1307 193:309
194:147 195:86 196:170 197:159 198:520 199:279
200:309 201:38 202:465 203:430 204:363 205:133
206:196 207:186 208:67 209:131 210:184 211:17
212:169 213:5 214:8 216:87 217:10 218:22
219:1 220:17 222:5 223:4
End of report
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