[REN-BGP-stats-all] IPv4 R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Apr 23 17:05:35 UTC 2022
IPv4 R&E Routing Table Report 17:05 GMT Sat 23 Apr, 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: 12983
Prefixes after maximum aggregation (per Origin AS): 7962
Deaggregation factor: 1.63
Unique aggregates announced (without unneeded subnets): 8778
Number of IPv4 prefixes with a valid ROA: 3360
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 9623
Total ASes present in the Internet Routing Table: 2065
Prefixes per ASN: 6.29
Origin-only ASes present in the Internet Routing Table: 1781
Origin ASes announcing only one prefix: 857
Transit ASes present in the Internet Routing Table: 284
Transit-only ASes present in the Internet Routing Table: 36
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 14
Max AS path prepend of ASN ( 5474) 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: 39186
Number of 32-bit ASNs visible in the Routing Table: 479
Prefixes from 32-bit ASNs in the Routing Table: 1266
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: 167008384
Equivalent to 9 /8s, 244 /16s and 88 /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: 1285
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3306
Total APNIC prefixes after maximum aggregation: 1714
APNIC Deaggregation factor: 1.93
Prefixes being announced from the APNIC address blocks: 3307
Unique aggregates announced from the APNIC address blocks: 1855
APNIC Region origin ASes present in the Internet Routing Table: 427
APNIC Prefixes per ASN: 7.74
APNIC Region origin ASes announcing only one prefix: 196
APNIC Region transit ASes present in the Internet Routing Table: 50
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: 166
Number of APNIC addresses announced to Internet: 38266336
Equivalent to 2 /8s, 71 /16s and 229 /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: 5469
Total ARIN prefixes after maximum aggregation: 3290
ARIN Deaggregation factor: 1.66
Prefixes being announced from the ARIN address blocks: 5486
Unique aggregates announced from the ARIN address blocks: 3753
ARIN Region origin ASes present in the Internet Routing Table: 864
ARIN Prefixes per ASN: 6.35
ARIN Region origin ASes announcing only one prefix: 318
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: 119
Number of ARIN addresses announced to Internet: 69606816
Equivalent to 4 /8s, 38 /16s and 29 /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: 2862
Total RIPE prefixes after maximum aggregation: 2423
RIPE Deaggregation factor: 1.18
Prefixes being announced from the RIPE address blocks: 2852
Unique aggregates announced from the RIPE address blocks: 2488
RIPE Region origin ASes present in the Internet Routing Table: 558
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: 86
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 116
Number of RIPE addresses announced to Internet: 55199232
Equivalent to 3 /8s, 74 /16s and 70 /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: 938
Total LACNIC prefixes after maximum aggregation: 456
LACNIC Deaggregation factor: 2.06
Prefixes being announced from the LACNIC address blocks: 936
Unique aggregates announced from the LACNIC address blocks: 587
LACNIC Region origin ASes present in the Internet Routing Table: 131
LACNIC Prefixes per ASN: 7.15
LACNIC Region origin ASes announcing only one prefix: 61
LACNIC Region transit ASes present in the Internet Routing Table: 19
Average LACNIC Region AS path length visible: 4.9
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: 3006208
Equivalent to 0 /8s, 45 /16s and 223 /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: 401
Total AfriNIC prefixes after maximum aggregation: 72
AfriNIC Deaggregation factor: 5.57
Prefixes being announced from the AfriNIC address blocks: 400
Unique aggregates announced from the AfriNIC address blocks: 93
AfriNIC Region origin ASes present in the Internet Routing Table: 44
AfriNIC Prefixes per ASN: 9.09
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 8
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: 26
Number of AfriNIC addresses announced to Internet: 929280
Equivalent to 0 /8s, 14 /16s and 46 /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 587 2092 457 SINET-AS Research Organization of Infor
7497 424 177 19 CSTNET-AS-AP Computer Network Informati
4538 189 4192 73 ERX-CERNET-BKB China Education and Rese
58647 179 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
55824 114 18 10 NKN-CORE-NW NKN Core Network, IN
2697 54 3 32 ERX-ERNET-AS Education and Research Net
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
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 135 18 4 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
3477 73 54 45 NOAA-NWAVE, 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
680 279 1967 245 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 66 647 61 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 40 165 19 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 149 158 87 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 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
20191 31 16 1 Pontificia Universidad Catolica de Chil
271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
3597 23 2 17 Fundacion InnovaT, AR
28068 21 2 2 Universidad Nacional de San Luis, 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 212 82 3 KENET-AS, KE
327687 38 28 3 RENU, UG
327700 36 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 11 8 1 TERNET, TZ
37074 10 7 7 UG-AS, GH
2561 7 0 5 EUN, EG
31960 5 1 1 EMUNET, MZ
30983 4 4 1 MARWAN-AS, MA
328813 4 0 1 UCU-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 587 2092 457 SINET-AS Research Organization of Infor
7497 424 177 19 CSTNET-AS-AP Computer Network Informati
680 279 1967 245 DFN Verein zur Foerderung eines Deutsch
36914 212 82 3 KENET-AS, KE
376 202 178 151 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
4538 189 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 176 330 123 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 424 405 CSTNET-AS-AP Computer Network Information Cente
36914 212 209 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 179 177 KAGAWAU-AS Kagawa University, JP
18558 135 131 NETBLK-RCOEK, US
4538 189 116 ERX-CERNET-BKB China Education and Research Net
55824 114 104 NKN-CORE-NW NKN Core Network, IN
2920 110 104 LACOE, US
23024 113 94 OCDE, US
1736 80 79 MU-AS, 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
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 /16:1622 /17:256 /18:282
/19:395 /20:583 /21:622 /22:1006 /23:1075 /24:6800
/25:49 /26:56 /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
36914 199 212 KENET-AS, KE
23024 53 113 OCDE, US
32440 43 46 LONI, US
327700 32 36 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 18 149 Rede Nacional de Ensino e Pesquisa, BR
2614 18 96 ROEDUNET, RO
22742 18 69 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 14:84 23:2 24:3
31:1 35:1 37:6 38:5 40:1 41:121
42:11 44:4 45:23 46:6 49:10 58:10
59:9 60:4 61:2 62:6 63:2 64:16
66:4 67:39 68:1 69:12 70:1 72:9
74:11 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 93:23 94:2 95:4
96:5 97:1 101:4 102:12 103:224 104:66
108:2 109:3 110:2 111:16 114:1 116:7
118:18 119:22 121:28 122:8 123:8 124:39
125:1 128:66 129:30 130:80 131:75 132:50
133:140 134:67 136:193 137:64 138:8 139:4
140:31 141:1 142:21 143:23 144:23 145:2
146:112 147:19 148:7 149:12 150:9 151:6
152:57 153:6 154:3 155:25 156:66 157:24
158:39 159:113 160:25 161:18 162:9 163:60
164:13 165:18 166:1 167:13 168:56 169:9
170:43 172:2 173:4 175:19 177:7 179:8
180:16 181:1 182:6 184:6 185:25 186:3
187:3 188:12 189:5 190:33 191:1 192:1140
193:234 194:94 195:51 196:23 197:118 198:335
199:187 200:198 201:23 202:347 203:193 204:287
205:111 206:138 207:142 208:54 209:90 210:85
211:2 212:21 213:2 216:50 217:10 219:11
220:2 222:4 223:4
End of report
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