[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Janet (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Feb 20 17:15:39 UTC 2023
IPv4 R&E Routing Table Report 17:15 GMT Mon 20 Feb, 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: 18223
Prefixes after maximum aggregation (per Origin AS): 10381
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 11604
Number of IPv4 prefixes with a valid ROA: 4355
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 13868
Total ASes present in the Internet Routing Table: 2661
Prefixes per ASN: 6.85
Origin-only ASes present in the Internet Routing Table: 2304
Origin ASes announcing only one prefix: 1033
Transit ASes present in the Internet Routing Table: 357
Transit-only ASes present in the Internet Routing Table: 55
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: 41223
Number of 32-bit ASNs visible in the Routing Table: 624
Prefixes from 32-bit ASNs in the Routing Table: 1759
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: 205298432
Equivalent to 12 /8s, 60 /16s and 155 /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: 1894
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4707
Total APNIC prefixes after maximum aggregation: 2281
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4708
Unique aggregates announced from the APNIC address blocks: 2603
APNIC Region origin ASes present in the Internet Routing Table: 579
APNIC Prefixes per ASN: 8.13
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 226
Number of APNIC addresses announced to Internet: 45878272
Equivalent to 2 /8s, 188 /16s and 12 /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: 7906
Total ARIN prefixes after maximum aggregation: 4710
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 7923
Unique aggregates announced from the ARIN address blocks: 5281
ARIN Region origin ASes present in the Internet Routing Table: 1228
ARIN Prefixes per ASN: 6.45
ARIN Region origin ASes announcing only one prefix: 433
ARIN Region transit ASes present in the Internet Routing Table: 154
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: 95645440
Equivalent to 5 /8s, 179 /16s and 111 /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: 3239
Total RIPE prefixes after maximum aggregation: 2620
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3229
Unique aggregates announced from the RIPE address blocks: 2652
RIPE Region origin ASes present in the Internet Routing Table: 591
RIPE Prefixes per ASN: 5.46
RIPE Region origin ASes announcing only one prefix: 271
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: 123
Number of RIPE addresses announced to Internet: 57150464
Equivalent to 3 /8s, 104 /16s and 12 /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: 1331
Total LACNIC prefixes after maximum aggregation: 558
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1327
Unique aggregates announced from the LACNIC address blocks: 774
LACNIC Region origin ASes present in the Internet Routing Table: 151
LACNIC Prefixes per ASN: 8.79
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61
Number of LACNIC addresses announced to Internet: 3969024
Equivalent to 0 /8s, 60 /16s and 144 /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: 1035
Total AfriNIC prefixes after maximum aggregation: 207
AfriNIC Deaggregation factor: 5.00
Prefixes being announced from the AfriNIC address blocks: 1034
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 19.51
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 12
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: 29
Number of AfriNIC addresses announced to Internet: 2654464
Equivalent to 0 /8s, 40 /16s and 129 /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 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 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 118 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
668 219 702 180 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 146 491 91 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, 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
21976 85 51 18 NJEDGE-NET, 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
680 281 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
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 47 Red Universitaria Nacional, CL
1251 58 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
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 376 319 72 TENET-1, ZA
36914 254 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 55 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 33 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/Janet/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 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 376 319 72 TENET-1, ZA
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 254 82 3 KENET-AS, KE
668 219 702 180 DNIC-AS-00668, US
376 200 178 149 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 376 304 TENET-1, ZA
36914 254 251 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 177 175 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 118 107 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 /16:2007 /17:411 /18:436
/19:544 /20:836 /21:834 /22:1434 /23:1492 /24:10038
/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 131 136 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 35 50 LONI, US
46115 32 35 LUTHER, US
200521 31 54 SEAP-AGE, ES
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
37182 30 31 TERNET, TZ
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
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 14:89
23:6 24:3 31:7 35:6 38:9 40:1
41:138 42:12 44:5 45:28 46:5 47:1
49:7 50:1 52:1 58:12 59:21 60:4
61:3 62:7 63:33 64:52 65:1 66:33
67:42 68:8 69:21 70:2 71:1 72:7
74:50 76:40 77:8 78:3 79:10 80:5
81:28 82:2 83:6 84:8 85:25 86:3
87:1 89:10 91:43 93:4 94:4 95:2
96:5 97:1 98:2 101:8 102:16 103:309
104:77 108:8 109:10 110:2 111:16 114:23
116:6 117:61 118:33 119:21 121:29 122:8
123:8 124:39 125:2 128:86 129:39 130:87
131:63 132:62 133:149 134:101 136:199 137:87
138:9 139:6 140:51 141:1 142:39 143:30
144:25 145:2 146:107 147:59 148:192 149:12
150:130 151:8 152:78 153:14 154:29 155:55
156:68 157:29 158:37 159:115 160:27 161:19
162:20 163:76 164:10 165:51 166:1 167:12
168:125 169:9 170:59 172:3 173:7 175:31
176:8 177:9 179:9 180:17 181:1 182:1
184:3 185:40 186:3 187:19 188:12 189:3
190:15 191:36 192:1452 193:330 194:122 195:88
196:166 197:158 198:490 199:275 200:220 201:35
202:627 203:425 204:347 205:129 206:186 207:164
208:69 209:115 210:186 211:18 212:170 213:2
214:8 216:87 217:10 218:3 219:12 220:16
222:6 223:9
End of report
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