[REN-BGP-stats-all] IPv4 R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Sep 30 17:05:39 UTC 2022
IPv4 R&E Routing Table Report 17:05 GMT Fri 30 Sep, 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: 12761
Prefixes after maximum aggregation (per Origin AS): 7763
Deaggregation factor: 1.64
Unique aggregates announced (without unneeded subnets): 8561
Number of IPv4 prefixes with a valid ROA: 3514
Number of IPv4 prefixes with an invalid ROA: 48
Number of IPv4 prefixes with no ROA: 9199
Total ASes present in the Internet Routing Table: 2003
Prefixes per ASN: 6.37
Origin-only ASes present in the Internet Routing Table: 1723
Origin ASes announcing only one prefix: 825
Transit ASes present in the Internet Routing Table: 280
Transit-only ASes present in the Internet Routing Table: 47
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.4
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: 40299
Number of 32-bit ASNs visible in the Routing Table: 475
Prefixes from 32-bit ASNs in the Routing Table: 1287
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: 161834976
Equivalent to 9 /8s, 165 /16s and 103 /24s
Percentage of available address space announced: 4.4
Percentage of allocated address space announced: 4.4
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: 1305
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3303
Total APNIC prefixes after maximum aggregation: 1730
APNIC Deaggregation factor: 1.91
Prefixes being announced from the APNIC address blocks: 3304
Unique aggregates announced from the APNIC address blocks: 1870
APNIC Region origin ASes present in the Internet Routing Table: 436
APNIC Prefixes per ASN: 7.58
APNIC Region origin ASes announcing only one prefix: 203
APNIC Region transit ASes present in the Internet Routing Table: 53
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 175
Number of APNIC addresses announced to Internet: 38285568
Equivalent to 2 /8s, 72 /16s and 49 /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: 5254
Total ARIN prefixes after maximum aggregation: 3122
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 5264
Unique aggregates announced from the ARIN address blocks: 3584
ARIN Region origin ASes present in the Internet Routing Table: 807
ARIN Prefixes per ASN: 6.52
ARIN Region origin ASes announcing only one prefix: 291
ARIN Region transit ASes present in the Internet Routing Table: 110
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: 117
Number of ARIN addresses announced to Internet: 64248064
Equivalent to 3 /8s, 212 /16s and 89 /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: 2878
Total RIPE prefixes after maximum aggregation: 2436
RIPE Deaggregation factor: 1.18
Prefixes being announced from the RIPE address blocks: 2870
Unique aggregates announced from the RIPE address blocks: 2514
RIPE Region origin ASes present in the Internet Routing Table: 561
RIPE Prefixes per ASN: 5.12
RIPE Region origin ASes announcing only one prefix: 259
RIPE Region transit ASes present in the Internet Routing Table: 79
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: 122
Number of RIPE addresses announced to Internet: 55257472
Equivalent to 3 /8s, 75 /16s and 41 /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: 911
Total LACNIC prefixes after maximum aggregation: 410
LACNIC Deaggregation factor: 2.22
Prefixes being announced from the LACNIC address blocks: 910
Unique aggregates announced from the LACNIC address blocks: 502
LACNIC Region origin ASes present in the Internet Routing Table: 122
LACNIC Prefixes per ASN: 7.46
LACNIC Region origin ASes announcing only one prefix: 61
LACNIC Region transit ASes present in the Internet Routing Table: 23
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: 51
Number of LACNIC addresses announced to Internet: 3245408
Equivalent to 0 /8s, 49 /16s and 133 /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: 411
Total AfriNIC prefixes after maximum aggregation: 61
AfriNIC Deaggregation factor: 6.74
Prefixes being announced from the AfriNIC address blocks: 411
Unique aggregates announced from the AfriNIC address blocks: 89
AfriNIC Region origin ASes present in the Internet Routing Table: 26
AfriNIC Prefixes per ASN: 15.81
AfriNIC Region origin ASes announcing only one prefix: 11
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 10
Number of AfriNIC addresses announced to Internet: 797952
Equivalent to 0 /8s, 12 /16s and 45 /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 427 177 19 CSTNET-AS-AP Computer Network Informati
4538 187 4192 73 ERX-CERNET-BKB China Education and Rese
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
55824 115 18 11 NKN-CORE-NW NKN Core Network, IN
2697 54 3 32 ERX-ERNET-AS Education and Research Net
45773 48 3 5 HECPERN-AS-PK PERN AS Content Servie Pr
132524 44 9 11 TIFR-AS Tata Institute of Fundamental R
9270 33 5 6 APAN-KR-AS National Infomation Society
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
376 202 178 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2152 155 507 90 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 113 7 19 OCDE, US
2920 111 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 87 51 18 NJEDGE-NET, US
1736 81 16 1 MU-AS, 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
2200 64 599 59 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
200521 51 4 23 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 161 201 45 Rede Nacional de Ensino e Pesquisa, BR
11340 96 24 54 Red Universitaria Nacional, CL
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
61468 46 3 15 CEDIA, EC
28571 39 39 17 UNIVERSIDADE DE SAO PAULO, BR
2715 35 100 31 Fundacao Carlos Chagas Filho de Amparo
263683 32 10 20 Universidad de Costa Rica, CR
20191 31 16 1 Pontificia Universidad Catolica de Chil
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
3597 21 2 16 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 244 82 3 KENET-AS, KE
327687 37 28 3 RENU, UG
327700 32 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 18 1 14 TERNET, TZ
37654 10 1 6 RwEdNet-AS, RW
2561 7 0 5 EUN, EG
31960 5 1 1 EMUNET, MZ
37215 5 8 1 MAREN, MW
30983 4 4 1 MARWAN-AS, MA
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 427 177 19 CSTNET-AS-AP Computer Network Informati
680 281 1935 249 DFN Verein zur Foerderung eines Deutsch
36914 244 82 3 KENET-AS, KE
376 202 178 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
4538 187 4192 73 ERX-CERNET-BKB China Education and Rese
786 186 1775 183 JANET Jisc Services Limited, GB
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
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 427 408 CSTNET-AS-AP Computer Network Information Cente
36914 244 241 KENET-AS, KE
5786 198 197 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
18558 137 133 NETBLK-RCOEK, US
1916 161 116 Rede Nacional de Ensino e Pesquisa, BR
4538 187 114 ERX-CERNET-BKB China Education and Research Net
55824 115 104 NKN-CORE-NW NKN Core Network, IN
2920 111 104 LACOE, US
23024 113 94 OCDE, US
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
33008 UNALLOCATED 162.248.66.0/24 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 /16:1553 /17:254 /18:278
/19:382 /20:572 /21:607 /22:957 /23:1087 /24:6728
/25:54 /26:52 /27:75 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 231 244 KENET-AS, KE
23024 53 113 OCDE, US
32440 50 53 LONI, US
200521 30 51 SEAP-AGE, ES
25977 28 31 HCCS, US
327700 27 32 MoRENet, MZ
31638 21 21 ASN-LEPIDA, IT
1916 19 161 Rede Nacional de Ensino e Pesquisa, BR
3233 19 29 ICI-ROTLD Romanian National R&D Network, RO
22742 18 67 CT-EDU-NET, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
5:15 8:2 12:1 14:86 24:2 31:1
35:4 38:4 40:1 41:127 42:11 44:4
45:21 46:5 49:10 58:11 59:9 60:4
61:2 62:6 64:17 65:1 66:4 67:33
68:1 69:12 70:2 72:7 74:8 76:8
77:3 78:3 79:10 80:7 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
101:4 102:7 103:232 104:68 108:3 109:3
110:2 111:16 114:1 116:6 118:18 119:22
121:28 122:8 123:8 124:39 125:1 128:62
129:27 130:85 131:66 132:50 133:146 134:67
136:197 137:41 138:11 139:4 140:30 141:1
142:19 143:19 144:23 145:2 146:115 147:19
148:7 149:12 150:99 151:2 152:29 153:6
154:5 155:34 156:66 157:20 158:39 159:114
160:26 161:17 162:12 163:70 164:6 165:12
167:11 168:31 169:8 170:16 172:2 173:6
175:24 177:4 179:9 180:17 181:1 182:4
185:31 186:2 187:3 188:12 190:34 191:1
192:1090 193:236 194:92 195:57 196:23 197:145
198:318 199:186 200:191 201:22 202:354 203:181
204:289 205:97 206:141 207:135 208:53 209:94
210:84 212:44 213:2 216:48 217:10 219:11
220:3 222:4 223:6
End of report
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