[REN-BGP-stats-all] Global R&E Routing Table Report - ESnet R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Aug 17 22:20:55 UTC 2021
Global R&E Routing Table Report 22:20 GMT Tue 17 Aug, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ESnet/
Analysis Summary
----------------
BGP routing table entries examined: 19270
Prefixes after maximum aggregation (per Origin AS): 11263
Deaggregation factor: 1.71
Unique aggregates announced (without unneeded subnets): 12788
Total ASes present in the Internet Routing Table: 2866
Prefixes per ASN: 6.72
Origin-only ASes present in the Internet Routing Table: 2437
Origin ASes announcing only one prefix: 1114
Transit ASes present in the Internet Routing Table: 429
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: 16
Max AS path prepend of ASN (397422) 11
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: 36911
Number of 32-bit ASNs visible in the Routing Table: 555
Prefixes from 32-bit ASNs in the Routing Table: 1593
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: 179558656
Equivalent to 10 /8s, 179 /16s and 217 /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: 2247
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4226
Total APNIC prefixes after maximum aggregation: 2127
APNIC Deaggregation factor: 1.99
Prefixes being announced from the APNIC address blocks: 4215
Unique aggregates announced from the APNIC address blocks: 2467
APNIC Region origin ASes present in the Internet Routing Table: 470
APNIC Prefixes per ASN: 8.97
APNIC Region origin ASes announcing only one prefix: 185
APNIC Region transit ASes present in the Internet Routing Table: 58
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: 138
Number of APNIC addresses announced to Internet: 36202752
Equivalent to 2 /8s, 40 /16s and 105 /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: 9812
Total ARIN prefixes after maximum aggregation: 5756
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 9797
Unique aggregates announced from the ARIN address blocks: 6607
ARIN Region origin ASes present in the Internet Routing Table: 1453
ARIN Prefixes per ASN: 6.74
ARIN Region origin ASes announcing only one prefix: 531
ARIN Region transit ASes present in the Internet Routing Table: 205
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: 204
Number of ARIN addresses announced to Internet: 82955520
Equivalent to 4 /8s, 241 /16s and 205 /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: 3101
Total RIPE prefixes after maximum aggregation: 2658
RIPE Deaggregation factor: 1.17
Prefixes being announced from the RIPE address blocks: 3165
Unique aggregates announced from the RIPE address blocks: 2758
RIPE Region origin ASes present in the Internet Routing Table: 647
RIPE Prefixes per ASN: 4.89
RIPE Region origin ASes announcing only one prefix: 312
RIPE Region transit ASes present in the Internet Routing Table: 106
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: 126
Number of RIPE addresses announced to Internet: 53717760
Equivalent to 3 /8s, 51 /16s and 171 /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: 1343
Total LACNIC prefixes after maximum aggregation: 555
LACNIC Deaggregation factor: 2.42
Prefixes being announced from the LACNIC address blocks: 1342
Unique aggregates announced from the LACNIC address blocks: 755
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 8.39
LACNIC Region origin ASes announcing only one prefix: 64
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: 65
Number of LACNIC addresses announced to Internet: 4119296
Equivalent to 0 /8s, 62 /16s and 219 /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: 745
Total AfriNIC prefixes after maximum aggregation: 142
AfriNIC Deaggregation factor: 5.25
Prefixes being announced from the AfriNIC address blocks: 746
Unique aggregates announced from the AfriNIC address blocks: 196
AfriNIC Region origin ASes present in the Internet Routing Table: 43
AfriNIC Prefixes per ASN: 17.35
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: 22
Number of AfriNIC addresses announced to Internet: 2562048
Equivalent to 0 /8s, 39 /16s and 24 /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 608 2156 456 SINET-AS Research Organization of Infor
7497 435 214 25 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 177 330 123 AARNET-AS-AP Australian Academic and Re
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
4538 108 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 53 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 240 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 158 507 88 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
23024 114 7 17 OCDE, US
270 112 297 87 AS270, US
2920 108 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
786 186 1763 184 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 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
61468 41 3 15 CEDIA, EC
4270 40 16 1 Red de Interconexion Universitaria, AR
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 97 82 3 KENET-AS, KE
8094 55 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
31960 5 1 1 EMUNET, MZ
37182 5 0 4 TERNET, TZ
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 608 2156 456 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 240 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
786 186 1763 184 JANET Jisc Services Limited, GB
1237 185 74 135 KREONET-AS-KR KISTI, KR
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 240 233 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 108 102 LACOE, US
23024 114 97 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
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
204.194.253.0/24 Origin: 46788 UNASSIGNED
Transit: 2381 WISCNET1-AS, 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 /16:2057 /17:388 /18:428
/19:609 /20:958 /21:996 /22:1567 /23:1626 /24:10486
/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 84 97 KENET-AS, KE
30041 64 64 RACE, US
23024 53 114 OCDE, US
327700 33 39 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
18530 31 79 ISOMEDIA-1, US
25977 31 45 HCCS, 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
23:18 24:5 31:6 35:1 37:6 38:19
40:1 41:113 42:25 44:5 45:36 46:8
47:1 49:6 50:12 52:29 58:1 59:20
60:4 61:3 62:6 63:86 64:123 65:15
66:75 67:59 68:19 69:58 70:1 71:1
72:50 74:32 76:40 77:6 78:3 79:10
80:14 81:29 82:4 83:7 84:4 85:33
86:3 87:2 88:1 89:9 91:34 92:1
93:19 94:5 95:5 96:5 97:1 98:4
101:2 102:6 103:189 104:90 106:1 107:30
108:10 109:3 110:3 111:20 112:4 114:23
116:5 117:61 118:32 119:19 121:26 122:8
123:8 124:43 125:13 128:80 129:176 130:97
131:94 132:60 133:137 134:93 136:213 137:143
138:10 139:5 140:46 141:3 142:42 143:35
144:32 146:197 147:72 148:161 149:14 150:41
151:7 152:80 153:11 154:22 155:51 156:65
157:28 158:10 159:117 160:31 161:56 162:43
163:63 164:23 165:54 166:2 167:16 168:139
169:9 170:66 171:1 172:2 173:23 174:7
175:32 177:8 178:1 179:12 180:6 181:11
182:5 184:9 185:40 186:3 187:17 188:13
189:6 190:27 191:31 192:1486 193:194 194:126
195:32 196:164 197:5 198:552 199:325 200:251
201:39 202:595 203:415 204:405 205:190 206:217
207:181 208:120 209:137 210:178 211:14 212:38
213:4 214:7 216:95 217:15 218:26 219:8
220:13 222:4 223:2
End of report
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