[REN-BGP-stats-all] Global R&E Routing Table Report - ESnet R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Jul 23 22:20:56 UTC 2021
Global R&E Routing Table Report 22:20 GMT Fri 23 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ESnet/
Analysis Summary
----------------
BGP routing table entries examined: 19379
Prefixes after maximum aggregation (per Origin AS): 11310
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 12875
Total ASes present in the Internet Routing Table: 2878
Prefixes per ASN: 6.73
Origin-only ASes present in the Internet Routing Table: 2446
Origin ASes announcing only one prefix: 1119
Transit ASes present in the Internet Routing Table: 432
Transit-only ASes present in the Internet Routing Table: 86
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 17
Max AS path prepend of ASN (207352) 12
Prefixes from unregistered ASNs in the Routing Table: 43
Number of instances of unregistered ASNs: 43
Number of 32-bit ASNs allocated by the RIRs: 36681
Number of 32-bit ASNs visible in the Routing Table: 550
Prefixes from 32-bit ASNs in the Routing Table: 1581
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: 5
Number of addresses announced to Internet: 180080640
Equivalent to 10 /8s, 187 /16s and 208 /24s
Percentage of available address space announced: 4.9
Percentage of allocated address space announced: 4.9
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: 2290
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4198
Total APNIC prefixes after maximum aggregation: 2140
APNIC Deaggregation factor: 1.96
Prefixes being announced from the APNIC address blocks: 4187
Unique aggregates announced from the APNIC address blocks: 2487
APNIC Region origin ASes present in the Internet Routing Table: 470
APNIC Prefixes per ASN: 8.91
APNIC Region origin ASes announcing only one prefix: 187
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 136
Number of APNIC addresses announced to Internet: 36269824
Equivalent to 2 /8s, 41 /16s and 111 /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, 131072-147769
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: 9886
Total ARIN prefixes after maximum aggregation: 5771
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 9866
Unique aggregates announced from the ARIN address blocks: 6634
ARIN Region origin ASes present in the Internet Routing Table: 1463
ARIN Prefixes per ASN: 6.74
ARIN Region origin ASes announcing only one prefix: 537
ARIN Region transit ASes present in the Internet Routing Table: 209
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 201
Number of ARIN addresses announced to Internet: 83307776
Equivalent to 4 /8s, 247 /16s and 45 /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: 3108
Total RIPE prefixes after maximum aggregation: 2660
RIPE Deaggregation factor: 1.17
Prefixes being announced from the RIPE address blocks: 3177
Unique aggregates announced from the RIPE address blocks: 2762
RIPE Region origin ASes present in the Internet Routing Table: 649
RIPE Prefixes per ASN: 4.90
RIPE Region origin ASes announcing only one prefix: 311
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 128
Number of RIPE addresses announced to Internet: 53800192
Equivalent to 3 /8s, 52 /16s and 237 /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: 1372
Total LACNIC prefixes after maximum aggregation: 558
LACNIC Deaggregation factor: 2.46
Prefixes being announced from the LACNIC address blocks: 1371
Unique aggregates announced from the LACNIC address blocks: 761
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 8.68
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 4129024
Equivalent to 0 /8s, 63 /16s and 1 /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: 772
Total AfriNIC prefixes after maximum aggregation: 156
AfriNIC Deaggregation factor: 4.95
Prefixes being announced from the AfriNIC address blocks: 773
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 45
AfriNIC Prefixes per ASN: 17.18
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.6
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 23
Number of AfriNIC addresses announced to Internet: 2568704
Equivalent to 0 /8s, 39 /16s and 50 /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 607 2155 455 SINET-AS Research Organization of Infor
7497 435 214 25 CSTNET-AS-AP Computer Network Informati
1237 189 75 137 KREONET-AS-KR KISTI, KR
7575 176 330 122 AARNET-AS-AP Australian Academic and Re
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
4538 107 2368 69 ERX-CERNET-BKB China Education and Rese
4621 81 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
24151 54 4 20 CNNIC-CRITICAL-AP China Internet Networ
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 246 51 7 NU-AS, US
376 228 180 157 RISQ-AS, CA
668 206 717 172 DNIC-AS-00668, US
5786 201 16 1 UPRENET, PR
2152 157 507 90 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
23024 113 7 20 OCDE, US
270 112 297 87 AS270, US
2920 109 34 6 LACOE, US
11404 86 174 70 AS-WAVE-1, US
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 272 1964 238 DFN Verein zur Foerderung eines Deutsch
786 187 1779 185 JANET Jisc Services Limited, GB
559 116 550 107 SWITCH Peering requests: peering at switch
1103 96 1263 83 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 66 647 61 FR-RENATER Reseau National de telecommu
2614 62 32 59 ROEDUNET, RO
1930 56 80 51 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 151 49 SUNET SUNET Swedish University Network,
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 175 207 41 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 92 24 54 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 328 319 73 TENET-1, ZA
327687 135 28 3 RENU, UG
36914 96 82 3 KENET-AS, KE
8094 55 48 4 PUKNET, ZA
327700 37 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
2561 6 0 5 EUN, EG
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 607 2155 455 SINET-AS Research Organization of Infor
7497 435 214 25 CSTNET-AS-AP Computer Network Informati
2018 328 319 73 TENET-1, ZA
680 272 1964 238 DFN Verein zur Foerderung eines Deutsch
7896 246 51 7 NU-AS, US
376 228 180 157 RISQ-AS, CA
668 206 717 172 DNIC-AS-00668, US
5786 201 16 1 UPRENET, PR
1237 189 75 137 KREONET-AS-KR KISTI, KR
786 187 1779 185 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 435 410 CSTNET-AS-AP Computer Network Information Cente
2018 328 255 TENET-1, ZA
7896 246 239 NU-AS, US
5786 201 200 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
1916 175 134 Associacao Rede Nacional de Ensino e Pesquisa,
18558 137 133 NETBLK-RCOEK, US
327687 135 132 RENU, UG
2920 109 103 LACOE, US
23024 113 93 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
19176 UNALLOCATED 63.81.146.0/24 32278 GETWIRELESS, US
19176 UNALLOCATED 63.108.136.0/23 32278 GETWIRELESS, US
19176 UNALLOCATED 63.108.136.0/24 32278 GETWIRELESS, US
19176 UNALLOCATED 63.108.137.0/24 32278 GETWIRELESS, US
19176 UNALLOCATED 63.108.138.0/24 32278 GETWIRELESS, US
19176 UNALLOCATED 63.127.160.0/22 32278 GETWIRELESS, US
19176 UNALLOCATED 63.127.161.0/24 32278 GETWIRELESS, US
19176 UNALLOCATED 63.127.162.0/24 32278 GETWIRELESS, US
19176 UNALLOCATED 63.127.163.0/24 32278 GETWIRELESS, US
19176 UNALLOCATED 63.127.168.0/21 32278 GETWIRELESS, US
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-badAS
Prefixes from private and non-routed address space (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/ESnet/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.240.0/20 Origin: 328439 UNASSIGNED
Transit: 327992 GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK,
192.31.196.0/24 Origin: 112 UNASSIGNED
Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Transit: 293 ESNET, US
192.107.242.0/24 Origin: 394784 UNASSIGNED
Transit: 40831 PHS, US
205.166.145.0/24 Origin: 394784 UNASSIGNED
Transit: 40831 PHS, US
Complete listing at https://bgp.nsrc.org/REN/ESnet/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 /9:0 /10:0 /11:0 /12:0
/13:0 /14:37 /15:118 /16:2065 /17:389 /18:434
/19:621 /20:952 /21:1007 /22:1585 /23:1633 /24:10538
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 83 96 KENET-AS, KE
30041 64 64 RACE, US
23024 53 113 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
327700 31 37 MoRENet, MZ
18530 30 78 ISOMEDIA-1, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
16713 29 36 NOANET-WA, US
18632 29 55 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/ESnet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 5:15 6:4 8:5 12:1 18:41
23:17 24:5 31:6 35:1 37:6 38:19
40:1 41:111 42:26 44:5 45:37 46:8
47:1 49:6 50:12 52:29 58:1 59:20
60:4 61:4 62:6 63:86 64:131 65:15
66:80 67:60 68:19 69:59 70:1 71:1
72:50 74:33 75:1 76:40 77:6 78:3
79:10 80:14 81:32 82:4 83:7 84:4
85:33 86:3 87:2 88:1 89:10 91:34
92:1 93:12 94:5 95:5 96:5 97:1
98:4 101:2 102:6 103:190 104:85 106:1
107:30 108:10 109:3 110:3 111:20 112:4
114:23 115:1 116:4 117:61 118:35 119:19
121:29 122:8 123:8 124:43 125:13 128:81
129:177 130:93 131:100 132:60 133:137 134:93
136:212 137:150 138:10 139:5 140:46 141:3
142:42 143:35 144:32 146:197 147:74 148:161
149:14 150:41 151:7 152:80 153:11 154:22
155:51 156:64 157:28 158:10 159:117 160:31
161:56 162:44 163:63 164:23 165:16 166:2
167:16 168:139 169:9 170:68 171:1 172:2
173:23 174:7 175:32 177:7 178:1 179:12
180:6 181:11 182:5 184:7 185:39 186:3
187:17 188:13 189:6 190:40 191:30 192:1489
193:199 194:129 195:57 196:163 197:4 198:548
199:328 200:252 201:39 202:592 203:414 204:405
205:191 206:217 207:186 208:120 209:138 210:184
211:14 212:38 213:4 214:7 216:95 217:16
218:26 219:8 220:21 222:4 223:2
End of report
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