[REN-BGP-stats-all] IPv4 R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Nov 29 17:05:40 UTC 2022
IPv4 R&E Routing Table Report 17:05 GMT Tue 29 Nov, 2022
IPv4 BGP Table (R&E) as seen at ASREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 12956
Prefixes after maximum aggregation (per Origin AS): 7975
Deaggregation factor: 1.62
Unique aggregates announced (without unneeded subnets): 8778
Number of IPv4 prefixes with a valid ROA: 3329
Number of IPv4 prefixes with an invalid ROA: 51
Number of IPv4 prefixes with no ROA: 9576
Total ASes present in the Internet Routing Table: 2059
Prefixes per ASN: 6.29
Origin-only ASes present in the Internet Routing Table: 1780
Origin ASes announcing only one prefix: 838
Transit ASes present in the Internet Routing Table: 279
Transit-only ASes present in the Internet Routing Table: 41
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 14
Max AS path prepend of ASN ( 30116) 10
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 40734
Number of 32-bit ASNs visible in the Routing Table: 490
Prefixes from 32-bit ASNs in the Routing Table: 1327
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 165791712
Equivalent to 9 /8s, 225 /16s and 199 /24s
Percentage of available address space announced: 4.5
Percentage of allocated address space announced: 4.5
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: 1247
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3186
Total APNIC prefixes after maximum aggregation: 1696
APNIC Deaggregation factor: 1.88
Prefixes being announced from the APNIC address blocks: 3187
Unique aggregates announced from the APNIC address blocks: 1811
APNIC Region origin ASes present in the Internet Routing Table: 419
APNIC Prefixes per ASN: 7.61
APNIC Region origin ASes announcing only one prefix: 194
APNIC Region transit ASes present in the Internet Routing Table: 49
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 175
Number of APNIC addresses announced to Internet: 37993984
Equivalent to 2 /8s, 67 /16s and 190 /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: 5702
Total ARIN prefixes after maximum aggregation: 3381
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 5717
Unique aggregates announced from the ARIN address blocks: 3850
ARIN Region origin ASes present in the Internet Routing Table: 879
ARIN Prefixes per ASN: 6.50
ARIN Region origin ASes announcing only one prefix: 313
ARIN Region transit ASes present in the Internet Routing Table: 115
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 129
Number of ARIN addresses announced to Internet: 68475392
Equivalent to 4 /8s, 20 /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: 2909
Total RIPE prefixes after maximum aggregation: 2447
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 2898
Unique aggregates announced from the RIPE address blocks: 2526
RIPE Region origin ASes present in the Internet Routing Table: 565
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 260
RIPE Region transit ASes present in the Internet Routing Table: 81
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: 55165824
Equivalent to 3 /8s, 73 /16s and 195 /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: 867
Total LACNIC prefixes after maximum aggregation: 387
LACNIC Deaggregation factor: 2.24
Prefixes being announced from the LACNIC address blocks: 864
Unique aggregates announced from the LACNIC address blocks: 503
LACNIC Region origin ASes present in the Internet Routing Table: 120
LACNIC Prefixes per ASN: 7.20
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 20
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 9
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 47
Number of LACNIC addresses announced to Internet: 3298400
Equivalent to 0 /8s, 50 /16s and 84 /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: 288
Total AfriNIC prefixes after maximum aggregation: 60
AfriNIC Deaggregation factor: 4.80
Prefixes being announced from the AfriNIC address blocks: 288
Unique aggregates announced from the AfriNIC address blocks: 86
AfriNIC Region origin ASes present in the Internet Routing Table: 31
AfriNIC Prefixes per ASN: 9.29
AfriNIC Region origin ASes announcing only one prefix: 13
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 857600
Equivalent to 0 /8s, 13 /16s and 22 /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 578 2156 458 SINET-AS Research Organization of Infor
7497 431 179 22 CSTNET-AS-AP Computer Network Informati
4538 188 4192 73 ERX-CERNET-BKB China Education and Rese
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 115 18 11 NKN-CORE-NW NKN Core Network, IN
2697 55 3 33 ERX-ERNET-AS Education and Research Net
132524 44 9 11 TIFR-AS Tata Institute of Fundamental R
9270 33 5 6 APAN-KR-AS National Infomation Society
45773 31 2 15 HECPERN-AS-PK PERN AS Content Servie Pr
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
5786 199 16 1 UPRENET, PR
376 193 178 143 RISQ-AS, CA
2152 152 507 90 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, US
2920 111 34 7 LACOE, US
32440 92 18 16 LONI, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 87 51 18 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 281 1935 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
559 115 550 106 SWITCH Peering requests: peering at switch
1103 100 1520 87 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
200521 52 4 20 SEAP-AGE, ES
1653 50 151 47 SUNET SUNET Swedish University Network,
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 156 198 45 Rede Nacional de Ensino e Pesquisa, BR
11340 97 24 55 Red Universitaria Nacional, CL
1251 59 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
28571 34 38 12 UNIVERSIDADE DE SAO PAULO, BR
28614 32 2 2 Fundacao Universidade Regional de Blume
61468 32 2 12 CEDIA, EC
263683 32 10 20 Universidad de Costa Rica, CR
20191 30 16 1 Pontificia Universidad Catolica de Chil
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
3597 23 2 17 Fundacion InnovaT, AR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 85 82 3 KENET-AS, KE
327687 41 28 3 RENU, UG
327700 32 16 1 MoRENet, MZ
37182 30 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
2561 15 1 11 EUN, EG
37654 10 1 6 RwEdNet-AS, RW
37215 6 8 1 MAREN, MW
31960 5 1 1 EMUNET, MZ
328358 5 1 1 Makerere-AS, UG
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 578 2156 458 SINET-AS Research Organization of Infor
7497 431 179 22 CSTNET-AS-AP Computer Network Informati
680 281 1935 249 DFN Verein zur Foerderung eines Deutsch
5786 199 16 1 UPRENET, PR
376 193 178 143 RISQ-AS, CA
4538 188 4192 73 ERX-CERNET-BKB China Education and Rese
786 186 1775 183 JANET Jisc Services Limited, GB
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
1916 156 198 45 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 431 409 CSTNET-AS-AP Computer Network Information Cente
5786 199 198 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
18558 134 130 NETBLK-RCOEK, US
4538 188 115 ERX-CERNET-BKB China Education and Research Net
1916 156 111 Rede Nacional de Ensino e Pesquisa, BR
55824 115 104 NKN-CORE-NW NKN Core Network, IN
2920 111 104 LACOE, US
23024 113 96 OCDE, US
36914 85 82 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 20965 GEANT The GEANT IP Service, NL
Complete listing at https://bgp.nsrc.org/REN/ASREN/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 /11:0 /12:9
/13:17 /14:33 /15:100 /16:1590 /17:290 /18:303
/19:381 /20:591 /21:631 /22:964 /23:1118 /24:6745
/25:55 /26:53 /27:73 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
32440 77 92 LONI, US
36914 76 85 KENET-AS, KE
23024 52 113 OCDE, US
28614 32 32 Fundacao Universidade Regional de Blumenau, BR
37182 29 30 TERNET, TZ
200521 29 52 SEAP-AGE, ES
327700 29 32 MoRENet, MZ
25977 28 31 HCCS, US
1916 21 156 Rede Nacional de Ensino e Pesquisa, BR
31638 21 21 ASN-LEPIDA, IT
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 8:2 12:1 14:86 23:2
24:3 31:1 35:4 38:6 40:1 41:133
42:11 44:4 45:22 46:5 49:10 58:12
59:8 60:4 61:2 62:6 64:20 65:1
66:4 67:35 68:1 69:12 70:2 71:1
72:7 74:13 76:36 77:4 78:3 79:10
80:8 81:27 82:1 83:6 84:6 85:23
86:3 87:1 88:1 89:10 91:35 93:4
94:2 95:4 96:5 101:4 102:7 103:214
104:67 108:4 109:5 110:2 111:10 114:1
116:6 118:18 119:22 121:20 122:1 123:8
124:39 125:1 128:67 129:30 130:83 131:51
132:52 133:146 134:69 136:198 137:61 138:9
139:4 140:30 141:1 142:20 143:15 144:23
145:2 146:116 147:21 148:7 149:12 150:96
151:7 152:12 153:6 154:5 155:39 156:67
157:20 158:36 159:114 160:26 161:16 162:11
163:72 164:7 165:12 167:16 168:55 169:8
170:14 172:2 173:6 175:25 177:6 179:6
180:16 181:1 182:4 184:1 185:32 186:1
187:19 188:12 190:18 191:1 192:1156 193:242
194:91 195:60 196:24 197:1 198:344 199:193
200:190 201:38 202:331 203:175 204:300 205:99
206:143 207:135 208:55 209:93 210:83 212:41
213:2 216:49 217:10 219:11 220:6 222:3
223:11
End of report
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