[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Dec 5 17:05:29 UTC 2021
Global R&E Routing Table Report 17:05 GMT Sun 05 Dec, 2021
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: 14341
Prefixes after maximum aggregation (per Origin AS): 8399
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 9275
Total ASes present in the Internet Routing Table: 2174
Prefixes per ASN: 6.60
Origin-only ASes present in the Internet Routing Table: 1871
Origin ASes announcing only one prefix: 884
Transit ASes present in the Internet Routing Table: 303
Transit-only ASes present in the Internet Routing Table: 38
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: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 38004
Number of 32-bit ASNs visible in the Routing Table: 488
Prefixes from 32-bit ASNs in the Routing Table: 1307
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 177428928
Equivalent to 10 /8s, 147 /16s and 89 /24s
Percentage of available address space announced: 4.8
Percentage of allocated address space announced: 4.8
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: 1581
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3876
Total APNIC prefixes after maximum aggregation: 2031
APNIC Deaggregation factor: 1.91
Prefixes being announced from the APNIC address blocks: 3878
Unique aggregates announced from the APNIC address blocks: 2228
APNIC Region origin ASes present in the Internet Routing Table: 453
APNIC Prefixes per ASN: 8.56
APNIC Region origin ASes announcing only one prefix: 193
APNIC Region transit ASes present in the Internet Routing Table: 50
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 169
Number of APNIC addresses announced to Internet: 44599360
Equivalent to 2 /8s, 168 /16s and 136 /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: 5536
Total ARIN prefixes after maximum aggregation: 3299
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 5547
Unique aggregates announced from the ARIN address blocks: 3732
ARIN Region origin ASes present in the Internet Routing Table: 875
ARIN Prefixes per ASN: 6.34
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: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 114
Number of ARIN addresses announced to Internet: 71525888
Equivalent to 4 /8s, 67 /16s and 102 /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: 3103
Total RIPE prefixes after maximum aggregation: 2490
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3096
Unique aggregates announced from the RIPE address blocks: 2587
RIPE Region origin ASes present in the Internet Routing Table: 612
RIPE Prefixes per ASN: 5.06
RIPE Region origin ASes announcing only one prefix: 298
RIPE Region transit ASes present in the Internet Routing Table: 98
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: 119
Number of RIPE addresses announced to Internet: 55625440
Equivalent to 3 /8s, 80 /16s and 198 /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: 1017
Total LACNIC prefixes after maximum aggregation: 418
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1015
Unique aggregates announced from the LACNIC address blocks: 503
LACNIC Region origin ASes present in the Internet Routing Table: 147
LACNIC Prefixes per ASN: 6.90
LACNIC Region origin ASes announcing only one prefix: 60
LACNIC Region transit ASes present in the Internet Routing Table: 22
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: 62
Number of LACNIC addresses announced to Internet: 3077024
Equivalent to 0 /8s, 46 /16s and 243 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 805
Total AfriNIC prefixes after maximum aggregation: 157
AfriNIC Deaggregation factor: 5.13
Prefixes being announced from the AfriNIC address blocks: 805
Unique aggregates announced from the AfriNIC address blocks: 225
AfriNIC Region origin ASes present in the Internet Routing Table: 46
AfriNIC Prefixes per ASN: 17.50
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2601216
Equivalent to 0 /8s, 39 /16s and 177 /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 622 2156 457 SINET-AS Research Organization of Infor
7497 424 177 19 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
7575 177 330 123 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
4538 174 4192 72 ERX-CERNET-BKB China Education and Rese
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
2697 54 3 32 ERX-ERNET-AS Education and Research Net
1659 51 1434 33 ERX-TANET-ASN1 Taiwan Academic Network
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
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
376 200 178 150 RISQ-AS, CA
5786 195 16 1 UPRENET, PR
2152 157 507 85 CSUNET-NW, US
18558 132 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 112 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
22742 68 53 34 CT-EDU-NET, US
3477 65 71 38 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
680 277 1950 243 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 176 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 97 1520 84 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 67 647 61 FR-RENATER Reseau National de telecommu
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
2614 56 33 54 ROEDUNET, RO
1653 52 167 49 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 181 178 35 Rede Nacional de Ensino e Pesquisa, BR
11340 95 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
20191 31 16 1 Pontificia Universidad Catolica de Chil
28571 28 19 18 UNIVERSIDADE DE SAO PAULO, BR
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
2018 339 319 71 TENET-1, ZA
36914 203 82 3 KENET-AS, KE
8094 50 48 4 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
327687 37 28 3 RENU, UG
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
37074 10 7 7 UG-AS, GH
37182 10 8 1 TERNET, TZ
36982 8 33 8 UCT, ZA
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 622 2156 457 SINET-AS Research Organization of Infor
7497 424 177 19 CSTNET-AS-AP Computer Network Informati
2018 339 319 71 TENET-1, ZA
680 277 1950 243 DFN Verein zur Foerderung eines Deutsch
36914 203 82 3 KENET-AS, KE
376 200 178 150 RISQ-AS, CA
5786 195 16 1 UPRENET, PR
1237 188 74 135 KREONET-AS-KR KISTI, KR
786 186 1774 183 JANET Jisc Services Limited, GB
1916 181 178 35 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 424 405 CSTNET-AS-AP Computer Network Information Cente
2018 339 268 TENET-1, ZA
36914 203 200 KENET-AS, KE
5786 195 194 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
1916 181 146 Rede Nacional de Ensino e Pesquisa, BR
18558 132 128 NETBLK-RCOEK, US
55824 128 106 NKN-CORE-NW NKN Core Network, IN
2920 112 106 LACOE, 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
29955 UNALLOCATED 192.104.1.0/24 2495 KANREN, US
29955 UNALLOCATED 198.252.8.0/21 2495 KANREN, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
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 /11:1 /12:10
/13:18 /14:34 /15:107 /16:1683 /17:292 /18:303
/19:452 /20:666 /21:730 /22:1114 /23:1194 /24:7550
/25:73 /26:61 /27:50 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 189 203 KENET-AS, KE
8895 171 176 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
327700 35 41 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 29 32 HCCS, US
200521 28 46 SEAP-AGE, ES
1916 27 181 Rede Nacional de Ensino e Pesquisa, BR
30220 25 25 SWTELCOOP, US
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)
----------------------------------------------
1:2 5:15 8:2 12:1 14:84 23:2
24:6 37:6 38:3 41:120 42:9 44:4
45:36 46:6 49:10 58:4 59:3 60:4
61:2 62:6 63:4 64:12 66:24 67:34
68:1 69:17 71:1 72:10 74:17 76:4
77:6 78:3 79:10 80:11 81:26 82:2
83:7 84:3 85:23 86:7 87:1 88:1
89:10 91:45 93:18 94:2 95:4 96:5
101:6 102:12 103:227 104:7 106:1 108:4
109:9 110:3 111:16 112:4 114:18 116:5
117:2 119:21 121:27 122:8 123:8 124:39
125:1 128:67 129:30 130:84 131:79 132:52
133:138 134:89 136:186 137:46 138:8 139:4
140:34 141:2 142:22 143:31 144:25 145:1
146:122 147:24 148:7 149:13 150:19 151:2
152:22 153:6 154:25 155:46 156:67 157:25
158:39 159:116 160:25 161:15 162:15 163:55
164:40 165:53 166:1 167:11 168:91 169:8
170:44 172:2 173:2 175:25 176:8 177:5
178:1 179:10 180:21 182:6 184:3 185:35
186:3 187:17 188:13 189:3 190:46 192:1186
193:180 194:103 195:59 196:149 197:111 198:349
199:182 200:215 201:38 202:367 203:278 204:281
205:142 206:148 207:131 208:43 209:94 210:178
211:2 212:171 213:3 216:50 217:13 218:5
219:13 220:12 222:5 223:2
End of report
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