[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Janet (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Apr 27 17:15:39 UTC 2023
IPv4 R&E Routing Table Report 17:15 GMT Thu 27 Apr, 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: 18267
Prefixes after maximum aggregation (per Origin AS): 10317
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 11469
Number of IPv4 prefixes with a valid ROA: 4532
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 13735
Total ASes present in the Internet Routing Table: 2670
Prefixes per ASN: 6.84
Origin-only ASes present in the Internet Routing Table: 2308
Origin ASes announcing only one prefix: 1033
Transit ASes present in the Internet Routing Table: 362
Transit-only ASes present in the Internet Routing Table: 58
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: 41745
Number of 32-bit ASNs visible in the Routing Table: 631
Prefixes from 32-bit ASNs in the Routing Table: 1807
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: 205164288
Equivalent to 12 /8s, 58 /16s and 143 /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: 1882
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4714
Total APNIC prefixes after maximum aggregation: 2291
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4715
Unique aggregates announced from the APNIC address blocks: 2601
APNIC Region origin ASes present in the Internet Routing Table: 577
APNIC Prefixes per ASN: 8.17
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 59
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: 225
Number of APNIC addresses announced to Internet: 45877760
Equivalent to 2 /8s, 188 /16s and 10 /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: 7865
Total ARIN prefixes after maximum aggregation: 4647
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 7881
Unique aggregates announced from the ARIN address blocks: 5184
ARIN Region origin ASes present in the Internet Routing Table: 1230
ARIN Prefixes per ASN: 6.41
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: 188
Number of ARIN addresses announced to Internet: 95378432
Equivalent to 5 /8s, 175 /16s and 92 /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: 3252
Total RIPE prefixes after maximum aggregation: 2624
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3242
Unique aggregates announced from the RIPE address blocks: 2654
RIPE Region origin ASes present in the Internet Routing Table: 592
RIPE Prefixes per ASN: 5.48
RIPE Region origin ASes announcing only one prefix: 268
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 126
Number of RIPE addresses announced to Internet: 57184768
Equivalent to 3 /8s, 104 /16s and 146 /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: 1482
Total LACNIC prefixes after maximum aggregation: 573
LACNIC Deaggregation factor: 2.59
Prefixes being announced from the LACNIC address blocks: 1479
Unique aggregates announced from the LACNIC address blocks: 794
LACNIC Region origin ASes present in the Internet Routing Table: 159
LACNIC Prefixes per ASN: 9.30
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4051456
Equivalent to 0 /8s, 61 /16s and 210 /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: 949
Total AfriNIC prefixes after maximum aggregation: 177
AfriNIC Deaggregation factor: 5.36
Prefixes being announced from the AfriNIC address blocks: 948
Unique aggregates announced from the AfriNIC address blocks: 234
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 18.59
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 10
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: 27
Number of AfriNIC addresses announced to Internet: 2671104
Equivalent to 0 /8s, 40 /16s and 194 /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 596 2155 466 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
1237 189 74 139 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 10 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
668 210 620 178 DNIC-AS-00668, US
376 201 178 150 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 135 507 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
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
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
786 185 1772 180 JANET Jisc Services Limited, GB
8895 137 24 5 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/Janet/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 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/Janet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 371 319 72 TENET-1, ZA
36914 256 82 3 KENET-AS, KE
327687 61 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 34 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/Janet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 596 2155 466 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 371 319 72 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 256 82 3 KENET-AS, KE
1916 223 208 43 Rede Nacional de Ensino e Pesquisa, BR
668 210 620 178 DNIC-AS-00668, US
376 201 178 150 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
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 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 371 299 TENET-1, ZA
36914 256 253 KENET-AS, KE
5786 199 198 UPRENET, PR
1916 223 180 Rede Nacional de Ensino e Pesquisa, BR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 137 132 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
4538 192 119 ERX-CERNET-BKB China Education and Research Net
55824 117 107 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
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
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 /14:35 /15:122 /16:2008 /17:415 /18:442
/19:555 /20:833 /21:832 /22:1445 /23:1486 /24:10061
/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 243 256 KENET-AS, KE
8895 132 137 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 31 53 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 14:89
23:6 24:3 31:7 35:6 38:9 40:1
41:110 42:12 44:5 45:34 46:5 47:1
49:6 50:1 52:1 58:12 59:21 60:4
61:3 62:7 63:33 64:53 65:1 66:33
67:41 68:8 69:19 70:2 71:1 72:7
74:50 76:40 77:8 78:3 79:10 80:5
81:28 82:4 83:6 84:9 85:27 86:9
87:1 89:10 91:43 93:4 94:4 95:2
96:5 97:1 98:2 101:8 102:15 103:302
104:77 108:8 109:9 110:2 111:16 114:23
116:6 117:61 118:33 119:21 121:29 122:8
123:8 124:39 125:2 128:86 129:39 130:87
131:59 132:60 133:157 134:102 136:199 137:90
138:9 139:6 140:49 141:1 142:39 143:29
144:25 145:2 146:131 147:57 148:192 149:12
150:40 151:9 152:144 153:14 154:34 155:55
156:67 157:35 158:37 159:115 160:27 161:21
162:19 163:75 164:10 165:51 166:1 167:16
168:124 169:7 170:63 172:3 173:7 175:31
176:8 177:9 179:10 180:15 181:1 182:1
184:3 185:46 186:3 187:18 188:12 189:3
190:18 191:36 192:1434 193:291 194:120 195:67
196:167 197:159 198:478 199:277 200:310 201:38
202:639 203:429 204:350 205:126 206:185 207:167
208:67 209:116 210:186 211:17 212:168 213:2
214:8 216:86 217:9 218:3 219:12 220:16
222:6 223:14
End of report
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