[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Janet (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Mar 7 17:15:43 UTC 2023
IPv4 R&E Routing Table Report 17:15 GMT Tue 07 Mar, 2023
IPv4 BGP Table (R&E) as seen at Janet.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Janet/
Analysis Summary
----------------
BGP routing table entries examined: 18105
Prefixes after maximum aggregation (per Origin AS): 10294
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 11418
Number of IPv4 prefixes with a valid ROA: 4362
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 13743
Total ASes present in the Internet Routing Table: 2652
Prefixes per ASN: 6.83
Origin-only ASes present in the Internet Routing Table: 2298
Origin ASes announcing only one prefix: 1034
Transit ASes present in the Internet Routing Table: 354
Transit-only ASes present in the Internet Routing Table: 53
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 41376
Number of 32-bit ASNs visible in the Routing Table: 621
Prefixes from 32-bit ASNs in the Routing Table: 1749
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: 205366016
Equivalent to 12 /8s, 61 /16s and 163 /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: 1886
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4699
Total APNIC prefixes after maximum aggregation: 2273
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4700
Unique aggregates announced from the APNIC address blocks: 2591
APNIC Region origin ASes present in the Internet Routing Table: 576
APNIC Prefixes per ASN: 8.16
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 223
Number of APNIC addresses announced to Internet: 45875712
Equivalent to 2 /8s, 188 /16s and 2 /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: 7966
Total ARIN prefixes after maximum aggregation: 4704
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 7982
Unique aggregates announced from the ARIN address blocks: 5269
ARIN Region origin ASes present in the Internet Routing Table: 1226
ARIN Prefixes per ASN: 6.51
ARIN Region origin ASes announcing only one prefix: 436
ARIN Region transit ASes present in the Internet Routing Table: 155
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 185
Number of ARIN addresses announced to Internet: 95765760
Equivalent to 5 /8s, 181 /16s and 69 /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: 3235
Total RIPE prefixes after maximum aggregation: 2616
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3225
Unique aggregates announced from the RIPE address blocks: 2646
RIPE Region origin ASes present in the Internet Routing Table: 588
RIPE Prefixes per ASN: 5.48
RIPE Region origin ASes announcing only one prefix: 267
RIPE Region transit ASes present in the Internet Routing Table: 94
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 125
Number of RIPE addresses announced to Internet: 57140736
Equivalent to 3 /8s, 103 /16s and 230 /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: 1174
Total LACNIC prefixes after maximum aggregation: 491
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1171
Unique aggregates announced from the LACNIC address blocks: 623
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 7.60
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 3926784
Equivalent to 0 /8s, 59 /16s and 235 /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: 1026
Total AfriNIC prefixes after maximum aggregation: 205
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 1025
Unique aggregates announced from the AfriNIC address blocks: 287
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 20.10
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2656256
Equivalent to 0 /8s, 40 /16s and 136 /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 591 2157 463 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
1237 185 74 134 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 117 18 11 NKN-CORE-NW NKN Core Network, IN
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
Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 216 702 180 DNIC-AS-00668, US
376 199 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 148 507 92 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
Complete listing at https://bgp.nsrc.org/REN/Janet/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
786 185 1772 180 JANET Jisc Services Limited, GB
8895 136 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1518 85 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/Janet/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
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
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
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 375 319 72 TENET-1, ZA
36914 251 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 61 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
37182 29 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/Janet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 591 2157 463 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 375 319 72 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 251 82 3 KENET-AS, KE
668 216 702 180 DNIC-AS-00668, US
376 199 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
786 185 1772 180 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/Janet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 375 303 TENET-1, ZA
36914 251 248 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 136 132 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
4538 192 119 ERX-CERNET-BKB China Education and Research Net
1916 158 115 Rede Nacional de Ensino e Pesquisa, BR
55824 117 106 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/Janet/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
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
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/Janet/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: 20965 GEANT The GEANT IP Service, NL
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/Janet/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
/13:19 /14:36 /15:122 /16:2011 /17:410 /18:439
/19:541 /20:836 /21:835 /22:1435 /23:1492 /24:9915
/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 131 136 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 35 56 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 31 54 SEAP-AGE, ES
25977 30 44 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
Complete listing at https://bgp.nsrc.org/REN/Janet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:7 6:4 8:2 12:1 14:88
23:4 24:3 31:7 35:6 38:9 40:1
41:134 42:12 44:5 45:24 46:5 47:1
49:7 50:1 52:1 58:12 59:21 60:4
61:3 62:7 63:33 64:53 65:1 66:33
67:42 68:8 69:20 70:2 71:1 72:7
74:50 76:40 77:8 78:3 79:10 80:5
81:28 82:3 83:6 84:9 85:25 86:3
87:1 89:10 91:42 93:4 94:4 95:2
96:5 97:1 98:2 101:8 102:11 103:305
104:80 108:8 109:10 110:2 111:16 114:23
116:6 117:61 118:33 119:21 121:29 122:8
123:8 124:39 125:2 128:86 129:39 130:86
131:60 132:50 133:157 134:101 136:199 137:91
138:9 139:6 140:51 141:1 142:39 143:30
144:25 145:2 146:107 147:56 148:39 149:12
150:130 151:8 152:144 153:14 154:29 155:55
156:66 157:34 158:37 159:115 160:27 161:20
162:20 163:76 164:10 165:51 166:1 167:16
168:125 169:10 170:63 172:3 173:7 175:31
176:8 177:9 179:10 180:14 181:1 182:1
184:3 185:41 186:3 187:19 188:12 189:3
190:18 191:36 192:1439 193:328 194:122 195:89
196:166 197:155 198:489 199:276 200:218 201:37
202:625 203:425 204:348 205:128 206:186 207:162
208:66 209:115 210:186 211:17 212:169 213:2
214:8 216:86 217:9 218:3 219:12 220:16
222:6 223:9
End of report
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