[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Dec 21 17:05:28 UTC 2021
Global R&E Routing Table Report 17:05 GMT Tue 21 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: 14316
Prefixes after maximum aggregation (per Origin AS): 8376
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 9234
Total ASes present in the Internet Routing Table: 2145
Prefixes per ASN: 6.67
Origin-only ASes present in the Internet Routing Table: 1848
Origin ASes announcing only one prefix: 879
Transit ASes present in the Internet Routing Table: 297
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: 14
Max AS path prepend of ASN ( 5474) 11
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 38135
Number of 32-bit ASNs visible in the Routing Table: 477
Prefixes from 32-bit ASNs in the Routing Table: 1309
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: 172112000
Equivalent to 10 /8s, 66 /16s and 56 /24s
Percentage of available address space announced: 4.6
Percentage of allocated address space announced: 4.6
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: 3691
Total APNIC prefixes after maximum aggregation: 1947
APNIC Deaggregation factor: 1.90
Prefixes being announced from the APNIC address blocks: 3692
Unique aggregates announced from the APNIC address blocks: 2099
APNIC Region origin ASes present in the Internet Routing Table: 418
APNIC Prefixes per ASN: 8.83
APNIC Region origin ASes announcing only one prefix: 177
APNIC Region transit ASes present in the Internet Routing Table: 46
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: 153
Number of APNIC addresses announced to Internet: 38888256
Equivalent to 2 /8s, 81 /16s and 99 /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: 5442
Total ARIN prefixes after maximum aggregation: 3254
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 5452
Unique aggregates announced from the ARIN address blocks: 3667
ARIN Region origin ASes present in the Internet Routing Table: 872
ARIN Prefixes per ASN: 6.25
ARIN Region origin ASes announcing only one prefix: 318
ARIN Region transit ASes present in the Internet Routing Table: 117
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: 117
Number of ARIN addresses announced to Internet: 71286464
Equivalent to 4 /8s, 63 /16s and 190 /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: 3137
Total RIPE prefixes after maximum aggregation: 2518
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3129
Unique aggregates announced from the RIPE address blocks: 2615
RIPE Region origin ASes present in the Internet Routing Table: 624
RIPE Prefixes per ASN: 5.01
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 97
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 122
Number of RIPE addresses announced to Internet: 55654624
Equivalent to 3 /8s, 81 /16s and 56 /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: 1175
Total LACNIC prefixes after maximum aggregation: 469
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1173
Unique aggregates announced from the LACNIC address blocks: 558
LACNIC Region origin ASes present in the Internet Routing Table: 149
LACNIC Prefixes per ASN: 7.87
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.1
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: 3659680
Equivalent to 0 /8s, 55 /16s and 215 /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: 869
Total AfriNIC prefixes after maximum aggregation: 186
AfriNIC Deaggregation factor: 4.67
Prefixes being announced from the AfriNIC address blocks: 869
Unique aggregates announced from the AfriNIC address blocks: 294
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 18.10
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.2
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2622720
Equivalent to 0 /8s, 40 /16s and 5 /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 623 2156 457 SINET-AS Research Organization of Infor
7497 425 177 19 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
4538 177 4192 72 ERX-CERNET-BKB China Education and Rese
7575 177 330 123 AARNET-AS-AP Australian Academic and Re
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
2697 54 3 32 ERX-ERNET-AS Education and Research Net
9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR
132524 49 9 11 TIFR-AS Tata Institute of Fundamental R
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 199 16 1 UPRENET, PR
2152 145 507 85 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 111 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
15296 65 5 55 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
680 279 1950 245 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 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 58 33 56 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 53 167 50 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 203 207 42 Rede Nacional de Ensino e Pesquisa, BR
11340 94 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR
20191 31 16 1 Pontificia Universidad Catolica de Chil
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 347 319 72 TENET-1, ZA
36914 199 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 37 28 3 RENU, UG
327700 31 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 11 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
37074 10 7 7 UG-AS, GH
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 623 2156 457 SINET-AS Research Organization of Infor
7497 425 177 19 CSTNET-AS-AP Computer Network Informati
2018 347 319 72 TENET-1, ZA
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
1916 203 207 42 Rede Nacional de Ensino e Pesquisa, BR
376 202 178 151 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
36914 199 82 3 KENET-AS, KE
1237 188 74 135 KREONET-AS-KR KISTI, KR
786 186 1774 183 JANET Jisc Services Limited, GB
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 425 406 CSTNET-AS-AP Computer Network Information Cente
2018 347 275 TENET-1, ZA
5786 199 198 UPRENET, PR
36914 199 196 KENET-AS, KE
58647 177 175 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
1916 203 161 Rede Nacional de Ensino e Pesquisa, BR
18558 134 130 NETBLK-RCOEK, US
55824 128 106 NKN-CORE-NW NKN Core Network, IN
4538 177 105 ERX-CERNET-BKB China Education and Research Net
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
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
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 /14:33 /15:103 /16:1674 /17:297 /18:305
/19:452 /20:655 /21:735 /22:1147 /23:1198 /24:7507
/25:73 /26:59 /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 185 199 KENET-AS, KE
8895 171 176 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 29 32 HCCS, US
200521 29 48 SEAP-AGE, ES
1916 27 203 Rede Nacional de Ensino e Pesquisa, BR
327700 27 31 MoRENet, MZ
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
24:3 31:1 37:6 38:3 41:112 42:9
44:4 45:29 46:6 49:8 58:7 59:3
60:4 61:2 62:6 63:5 64:12 66:24
67:34 68:1 69:16 71:1 72:10 74:17
76:4 77:7 78:3 79:10 80:11 81:26
82:2 83:7 84:3 85:25 86:6 87:1
88:1 89:10 91:45 93:18 94:2 95:4
96:5 101:4 102:11 103:198 104:5 106:1
108:4 109:9 110:3 111:11 114:17 116:5
117:2 119:21 121:16 123:8 124:39 125:1
128:67 129:30 130:84 131:73 132:51 133:139
134:88 136:190 137:45 138:8 139:4 140:34
141:2 142:22 143:31 144:25 145:2 146:123
147:24 148:7 149:13 150:16 151:2 152:63
153:6 154:26 155:46 156:67 157:26 158:39
159:116 160:25 161:15 162:15 163:60 164:41
165:54 166:2 167:16 168:96 169:8 170:44
172:2 173:2 175:19 176:8 177:5 178:1
179:8 180:21 182:6 184:3 185:35 186:3
187:17 188:13 189:3 190:42 191:7 192:1186
193:222 194:106 195:84 196:147 197:111 198:331
199:190 200:235 201:38 202:334 203:273 204:282
205:96 206:144 207:131 208:43 209:92 210:173
211:2 212:173 213:3 216:50 217:13 218:2
219:13 220:12 222:5 223:2
End of report
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