[REN-BGP-stats-all] IPv4 R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Mar 2 17:05:30 UTC 2022
IPv4 R&E Routing Table Report 17:05 GMT Wed 02 Mar, 2022
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: 13480
Prefixes after maximum aggregation (per Origin AS): 8231
Deaggregation factor: 1.64
Unique aggregates announced (without unneeded subnets): 8928
Number of IPv4 prefixes with a valid ROA: 3174
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 10306
Total ASes present in the Internet Routing Table: 2158
Prefixes per ASN: 6.25
Origin-only ASes present in the Internet Routing Table: 1877
Origin ASes announcing only one prefix: 888
Transit ASes present in the Internet Routing Table: 281
Transit-only ASes present in the Internet Routing Table: 30
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 15
Max AS path prepend of ASN (211089) 11
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: 38695
Number of 32-bit ASNs visible in the Routing Table: 470
Prefixes from 32-bit ASNs in the Routing Table: 1296
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: 1
Number of addresses announced to Internet: 173224320
Equivalent to 10 /8s, 83 /16s and 49 /24s
Percentage of available address space announced: 4.7
Percentage of allocated address space announced: 4.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 1368
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3136
Total APNIC prefixes after maximum aggregation: 1686
APNIC Deaggregation factor: 1.86
Prefixes being announced from the APNIC address blocks: 3137
Unique aggregates announced from the APNIC address blocks: 1798
APNIC Region origin ASes present in the Internet Routing Table: 402
APNIC Prefixes per ASN: 7.80
APNIC Region origin ASes announcing only one prefix: 178
APNIC Region transit ASes present in the Internet Routing Table: 49
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 153
Number of APNIC addresses announced to Internet: 38237408
Equivalent to 2 /8s, 71 /16s and 116 /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: 6048
Total ARIN prefixes after maximum aggregation: 3603
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 6062
Unique aggregates announced from the ARIN address blocks: 4020
ARIN Region origin ASes present in the Internet Routing Table: 980
ARIN Prefixes per ASN: 6.19
ARIN Region origin ASes announcing only one prefix: 362
ARIN Region transit ASes present in the Internet Routing Table: 114
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 132
Number of ARIN addresses announced to Internet: 75360064
Equivalent to 4 /8s, 125 /16s and 231 /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: 2813
Total RIPE prefixes after maximum aggregation: 2407
RIPE Deaggregation factor: 1.17
Prefixes being announced from the RIPE address blocks: 2803
Unique aggregates announced from the RIPE address blocks: 2454
RIPE Region origin ASes present in the Internet Routing Table: 569
RIPE Prefixes per ASN: 4.93
RIPE Region origin ASes announcing only one prefix: 276
RIPE Region transit ASes present in the Internet Routing Table: 87
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 117
Number of RIPE addresses announced to Internet: 55141504
Equivalent to 3 /8s, 73 /16s and 100 /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: 1110
Total LACNIC prefixes after maximum aggregation: 470
LACNIC Deaggregation factor: 2.36
Prefixes being announced from the LACNIC address blocks: 1108
Unique aggregates announced from the LACNIC address blocks: 568
LACNIC Region origin ASes present in the Internet Routing Table: 151
LACNIC Prefixes per ASN: 7.34
LACNIC Region origin ASes announcing only one prefix: 63
LACNIC Region transit ASes present in the Internet Routing Table: 23
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: 60
Number of LACNIC addresses announced to Internet: 3706592
Equivalent to 0 /8s, 56 /16s and 142 /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: 369
Total AfriNIC prefixes after maximum aggregation: 61
AfriNIC Deaggregation factor: 6.05
Prefixes being announced from the AfriNIC address blocks: 369
Unique aggregates announced from the AfriNIC address blocks: 87
AfriNIC Region origin ASes present in the Internet Routing Table: 22
AfriNIC Prefixes per ASN: 16.77
AfriNIC Region origin ASes announcing only one prefix: 9
AfriNIC Region transit ASes present in the Internet Routing Table: 6
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 778496
Equivalent to 0 /8s, 11 /16s and 225 /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 577 2156 458 SINET-AS Research Organization of Infor
7497 426 177 19 CSTNET-AS-AP Computer Network Informati
58647 179 18 2 KAGAWAU-AS Kagawa University, JP
4538 174 4192 72 ERX-CERNET-BKB China Education and Rese
7575 174 330 122 AARNET-AS-AP Australian Academic and Re
55824 128 18 22 NKN-CORE-NW NKN Core Network, IN
2697 53 3 32 ERX-ERNET-AS Education and Research Net
132524 49 9 11 TIFR-AS Tata Institute of Fundamental R
9270 32 5 6 APAN-KR-AS National Infomation Society
3363 30 19 7 HKUST-AS-HK Hong Kong University of Sci
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 145 507 86 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
2920 111 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3477 74 71 43 NOAA-NWAVE, US
22742 69 53 34 CT-EDU-NET, US
15296 66 5 56 CYBERA, CA
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
680 278 1950 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
137 82 677 77 ASGARR Consortium GARR, IT
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 62 30 59 ROEDUNET, RO
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 193 208 46 Rede Nacional de Ensino e Pesquisa, BR
11340 95 24 54 Red Universitaria Nacional, CL
1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28571 35 26 15 UNIVERSIDADE DE SAO PAULO, BR
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
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 203 82 3 KENET-AS, KE
327687 40 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
37182 26 2 19 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
2561 10 1 8 EUN, EG
37215 7 8 1 MAREN, MW
31960 5 1 1 EMUNET, MZ
328813 3 0 1 UCU-AS, UG
37532 2 20 2 ZAMREN, ZM
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 577 2156 458 SINET-AS Research Organization of Infor
7497 426 177 19 CSTNET-AS-AP Computer Network Informati
680 278 1950 245 DFN Verein zur Foerderung eines Deutsch
36914 203 82 3 KENET-AS, KE
376 202 178 151 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
1916 193 208 46 Rede Nacional de Ensino e Pesquisa, BR
786 186 1774 183 JANET Jisc Services Limited, GB
58647 179 18 2 KAGAWAU-AS Kagawa University, JP
4538 174 4192 72 ERX-CERNET-BKB China Education and Rese
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 426 407 CSTNET-AS-AP Computer Network Information Cente
36914 203 200 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 179 177 KAGAWAU-AS Kagawa University, JP
1916 193 147 Rede Nacional de Ensino e Pesquisa, BR
18558 135 131 NETBLK-RCOEK, US
55824 128 106 NKN-CORE-NW NKN Core Network, IN
2920 111 105 LACOE, US
4538 174 102 ERX-CERNET-BKB China Education and Research Net
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
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, 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
192.88.99.0/24 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
/13:16 /14:31 /15:101 /16:1672 /17:286 /18:321
/19:435 /20:651 /21:684 /22:1079 /23:1128 /24:6931
/25:42 /26:49 /27:42 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 190 203 KENET-AS, KE
23024 53 56 OCDE, US
327700 30 34 MoRENet, MZ
25977 29 43 HCCS, US
32440 29 44 LONI, US
37182 26 26 TERNET, TZ
1916 22 193 Rede Nacional de Ensino e Pesquisa, BR
31638 21 21 ASN-LEPIDA, IT
2614 19 62 ROEDUNET, RO
3233 19 29 ICI-ROTLD Romanian National R&D Network, RO
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:8 8:2 12:1 14:85 23:3
24:3 31:1 38:5 40:1 41:131 42:10
44:4 45:25 46:6 49:8 58:7 59:7
60:4 61:2 62:6 63:4 64:26 66:6
67:40 68:1 69:18 70:1 71:1 72:10
74:12 76:33 77:7 78:3 79:10 80:7
81:27 82:1 83:6 84:3 85:19 86:4
87:1 88:1 89:10 91:35 93:16 94:2
95:5 96:5 101:4 102:5 103:203 104:6
106:1 108:8 109:7 110:3 112:4 114:1
116:5 118:17 119:22 121:12 124:39 125:1
128:63 129:35 130:90 131:84 132:53 133:141
134:68 136:191 137:86 138:7 139:4 140:33
141:1 142:41 143:23 144:23 145:2 146:113
147:23 148:7 149:13 150:7 151:6 152:63
153:6 154:3 155:38 156:67 157:26 158:39
159:115 160:25 161:18 162:16 163:59 164:42
165:17 166:2 167:16 168:57 169:10 170:48
172:1 173:1 175:19 176:8 177:10 179:8
180:16 182:6 184:2 185:27 186:3 187:3
188:12 189:5 190:42 191:10 192:1115 193:190
194:96 195:49 196:25 197:111 198:367 199:209
200:229 201:23 202:334 203:183 204:293 205:141
206:159 207:140 208:56 209:92 210:84 212:20
213:2 216:55 217:10 218:3 219:11 220:2
222:2 223:4
End of report
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