[REN-BGP-stats-all] IPv4 R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat May 14 17:05:35 UTC 2022
IPv4 R&E Routing Table Report 17:05 GMT Sat 14 May, 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: 12982
Prefixes after maximum aggregation (per Origin AS): 7966
Deaggregation factor: 1.63
Unique aggregates announced (without unneeded subnets): 8791
Number of IPv4 prefixes with a valid ROA: 3153
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 9829
Total ASes present in the Internet Routing Table: 2031
Prefixes per ASN: 6.39
Origin-only ASes present in the Internet Routing Table: 1750
Origin ASes announcing only one prefix: 828
Transit ASes present in the Internet Routing Table: 281
Transit-only ASes present in the Internet Routing Table: 32
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 15
Max AS path prepend of ASN ( 1149) 11
Prefixes from unregistered ASNs in the Routing Table: 7
Number of instances of unregistered ASNs: 7
Number of 32-bit ASNs allocated by the RIRs: 39381
Number of 32-bit ASNs visible in the Routing Table: 444
Prefixes from 32-bit ASNs in the Routing Table: 1203
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: 167197600
Equivalent to 9 /8s, 247 /16s and 59 /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: 1315
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3108
Total APNIC prefixes after maximum aggregation: 1642
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 3109
Unique aggregates announced from the APNIC address blocks: 1763
APNIC Region origin ASes present in the Internet Routing Table: 388
APNIC Prefixes per ASN: 8.01
APNIC Region origin ASes announcing only one prefix: 166
APNIC Region transit ASes present in the Internet Routing Table: 51
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 133
Number of APNIC addresses announced to Internet: 38314976
Equivalent to 2 /8s, 72 /16s and 163 /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: 5560
Total ARIN prefixes after maximum aggregation: 3335
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 5575
Unique aggregates announced from the ARIN address blocks: 3815
ARIN Region origin ASes present in the Internet Routing Table: 879
ARIN Prefixes per ASN: 6.34
ARIN Region origin ASes announcing only one prefix: 320
ARIN Region transit ASes present in the Internet Routing Table: 112
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: 120
Number of ARIN addresses announced to Internet: 69552448
Equivalent to 4 /8s, 37 /16s and 73 /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: 2855
Total RIPE prefixes after maximum aggregation: 2425
RIPE Deaggregation factor: 1.18
Prefixes being announced from the RIPE address blocks: 2845
Unique aggregates announced from the RIPE address blocks: 2480
RIPE Region origin ASes present in the Internet Routing Table: 557
RIPE Prefixes per ASN: 5.11
RIPE Region origin ASes announcing only one prefix: 259
RIPE Region transit ASes present in the Internet Routing Table: 85
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 115
Number of RIPE addresses announced to Internet: 55134592
Equivalent to 3 /8s, 73 /16s and 73 /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: 992
Total LACNIC prefixes after maximum aggregation: 458
LACNIC Deaggregation factor: 2.17
Prefixes being announced from the LACNIC address blocks: 992
Unique aggregates announced from the LACNIC address blocks: 577
LACNIC Region origin ASes present in the Internet Routing Table: 129
LACNIC Prefixes per ASN: 7.69
LACNIC Region origin ASes announcing only one prefix: 60
LACNIC Region transit ASes present in the Internet Routing Table: 19
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 52
Number of LACNIC addresses announced to Internet: 3280896
Equivalent to 0 /8s, 50 /16s and 16 /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: 460
Total AfriNIC prefixes after maximum aggregation: 99
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 459
Unique aggregates announced from the AfriNIC address blocks: 154
AfriNIC Region origin ASes present in the Internet Routing Table: 41
AfriNIC Prefixes per ASN: 11.20
AfriNIC Region origin ASes announcing only one prefix: 23
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: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 914176
Equivalent to 0 /8s, 13 /16s and 243 /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 2140 456 SINET-AS Research Organization of Infor
7497 427 177 19 CSTNET-AS-AP Computer Network Informati
4538 188 4192 73 ERX-CERNET-BKB China Education and Rese
58647 179 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 330 123 AARNET-AS-AP Australian Academic and Re
132524 49 9 11 TIFR-AS Tata Institute of Fundamental R
45773 47 3 5 HECPERN-AS-PK PERN AS Content Servie Pr
9270 34 5 6 APAN-KR-AS National Infomation Society
24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeas
23767 31 3 10 A-STAR-AS-AP A-STAR, SG
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 200 16 1 UPRENET, PR
2152 154 507 89 CSUNET-NW, US
18558 126 16 1 NETBLK-RCOEK, US
270 120 329 88 AS270, US
23024 113 7 19 OCDE, US
2920 110 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
22742 68 53 33 CT-EDU-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
680 284 1967 251 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 96 27 76 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
2200 63 583 58 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
1653 51 167 48 SUNET SUNET Swedish University Network,
1741 39 149 18 FUNETAS, FI
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 158 180 89 Rede Nacional de Ensino e Pesquisa, BR
11340 94 24 54 Red Universitaria Nacional, CL
1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 57 101 37 Fundacao Carlos Chagas Filho de Amparo
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 37 2 2 Fundacao Universidade Regional de Blume
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 30 26 15 UNIVERSIDADE DE SAO PAULO, BR
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
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 211 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
327687 37 28 3 RENU, UG
327700 35 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 11 8 1 TERNET, TZ
37074 10 7 7 UG-AS, GH
37654 10 1 6 RwEdNet-AS, RW
31960 5 1 1 EMUNET, MZ
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 2140 456 SINET-AS Research Organization of Infor
7497 427 177 19 CSTNET-AS-AP Computer Network Informati
680 284 1967 251 DFN Verein zur Foerderung eines Deutsch
36914 211 82 3 KENET-AS, KE
376 202 178 151 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
4538 188 4192 73 ERX-CERNET-BKB China Education and Rese
786 186 1774 183 JANET Jisc Services Limited, GB
58647 179 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 330 123 AARNET-AS-AP Australian Academic and Re
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 211 208 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 179 177 KAGAWAU-AS Kagawa University, JP
18558 126 125 NETBLK-RCOEK, US
4538 188 115 ERX-CERNET-BKB China Education and Research Net
2920 110 104 LACOE, US
23024 113 94 OCDE, US
1736 80 79 MU-AS, US
1916 158 69 Rede Nacional de Ensino e Pesquisa, BR
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
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
14212 UNALLOCATED 198.189.240.0/24 2152 CSUNET-NW, US
14212 UNALLOCATED 205.155.0.0/19 2152 CSUNET-NW, US
14212 UNALLOCATED 205.155.240.0/20 2152 CSUNET-NW, 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 /14:34 /15:101 /16:1624 /17:256 /18:290
/19:402 /20:595 /21:627 /22:1002 /23:1078 /24:6764
/25:51 /26:55 /27:74 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 198 211 KENET-AS, KE
23024 53 113 OCDE, US
32440 45 51 LONI, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
327700 31 35 MoRENet, MZ
25977 29 43 HCCS, US
31638 21 21 ASN-LEPIDA, IT
3233 19 29 ICI-ROTLD Romanian National R&D Network, RO
1916 18 158 Rede Nacional de Ensino e Pesquisa, BR
2614 18 96 ROEDUNET, RO
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 14:14 23:2 24:3
31:1 35:1 37:6 38:6 40:1 41:115
42:11 44:4 45:20 46:6 49:10 58:11
59:9 60:4 61:2 62:6 63:2 64:22
66:4 67:39 68:1 69:10 70:2 72:9
74:11 76:1 77:7 78:3 79:10 80:7
81:27 82:1 83:6 84:6 85:19 86:4
87:1 88:1 89:10 91:32 93:10 94:2
95:4 96:5 101:4 102:8 103:175 104:67
108:3 109:3 110:2 111:16 114:1 116:7
118:18 119:22 121:28 122:8 123:8 124:39
125:1 128:68 129:33 130:82 131:75 132:50
133:140 134:66 136:193 137:63 138:9 139:4
140:32 141:1 142:21 143:20 144:2 145:2
146:114 147:19 148:7 149:12 150:9 151:2
152:57 153:6 154:6 155:34 156:66 157:19
158:33 159:115 160:25 161:17 162:8 163:56
164:14 165:18 166:1 167:11 168:63 169:9
170:43 172:2 173:6 175:19 177:7 179:8
180:5 181:1 182:6 184:8 185:25 186:3
187:19 188:12 189:5 190:32 191:1 192:1146
193:272 194:95 195:73 196:23 197:122 198:343
199:191 200:203 201:37 202:331 203:194 204:277
205:138 206:140 207:141 208:55 209:91 210:85
211:2 212:21 213:2 216:51 217:10 219:11
220:2 222:4 223:4
End of report
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