[REN-BGP-stats-all] Global R&E Routing Table Report - PERN view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Nov 25 19:10:30 UTC 2021
Global R&E Routing Table Report 19:10 GMT Thu 25 Nov, 2021
BGP Table (R&E) as seen at PERN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PERN/
Analysis Summary
----------------
BGP routing table entries examined: 18711
Prefixes after maximum aggregation (per Origin AS): 10518
Deaggregation factor: 1.78
Unique aggregates announced (without unneeded subnets): 11844
Total ASes present in the Internet Routing Table: 2775
Prefixes per ASN: 6.74
Origin-only ASes present in the Internet Routing Table: 2385
Origin ASes announcing only one prefix: 1118
Transit ASes present in the Internet Routing Table: 390
Transit-only ASes present in the Internet Routing Table: 58
Average AS path length visible in the Internet Routing Table: 6.8
Max AS path length visible: 19
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 37907
Number of 32-bit ASNs visible in the Routing Table: 621
Prefixes from 32-bit ASNs in the Routing Table: 1796
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: 3
Number of addresses announced to Internet: 205352960
Equivalent to 12 /8s, 61 /16s and 112 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
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: 2046
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4672
Total APNIC prefixes after maximum aggregation: 2326
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4674
Unique aggregates announced from the APNIC address blocks: 2644
APNIC Region origin ASes present in the Internet Routing Table: 580
APNIC Prefixes per ASN: 8.06
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 45956608
Equivalent to 2 /8s, 189 /16s and 62 /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: 8130
Total ARIN prefixes after maximum aggregation: 4630
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 8140
Unique aggregates announced from the ARIN address blocks: 5280
ARIN Region origin ASes present in the Internet Routing Table: 1227
ARIN Prefixes per ASN: 6.63
ARIN Region origin ASes announcing only one prefix: 451
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 8.1
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 159
Number of ARIN addresses announced to Internet: 94419712
Equivalent to 5 /8s, 160 /16s and 187 /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: 3391
Total RIPE prefixes after maximum aggregation: 2756
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3381
Unique aggregates announced from the RIPE address blocks: 2765
RIPE Region origin ASes present in the Internet Routing Table: 673
RIPE Prefixes per ASN: 5.02
RIPE Region origin ASes announcing only one prefix: 322
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 132
Number of RIPE addresses announced to Internet: 58148096
Equivalent to 3 /8s, 119 /16s and 69 /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: 1505
Total LACNIC prefixes after maximum aggregation: 610
LACNIC Deaggregation factor: 2.47
Prefixes being announced from the LACNIC address blocks: 1506
Unique aggregates announced from the LACNIC address blocks: 857
LACNIC Region origin ASes present in the Internet Routing Table: 181
LACNIC Prefixes per ASN: 8.32
LACNIC Region origin ASes announcing only one prefix: 73
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 9.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 80
Number of LACNIC addresses announced to Internet: 4071424
Equivalent to 0 /8s, 62 /16s and 32 /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: 1007
Total AfriNIC prefixes after maximum aggregation: 190
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 1007
Unique aggregates announced from the AfriNIC address blocks: 295
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.37
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2756352
Equivalent to 0 /8s, 42 /16s and 15 /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 2157 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 176 329 122 AARNET-AS-AP Australian Academic and Re
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 129 19 23 NKN-CORE-NW NKN Core Network, IN
4538 127 4192 72 ERX-CERNET-BKB China Education and Rese
4621 80 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
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 250 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
376 204 178 153 RISQ-AS, CA
5786 195 16 1 UPRENET, PR
2152 161 507 89 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
23024 114 7 17 OCDE, US
2920 109 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 278 1998 238 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 143 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
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 67 647 61 FR-RENATER Reseau National de telecommu
2614 59 33 57 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 177 207 41 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
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
52286 53 4 31 Columbus Networks Guatemala, GT
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
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 340 319 73 TENET-1, ZA
36914 196 82 3 KENET-AS, KE
327687 126 28 3 RENU, UG
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 608 2157 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 340 319 73 TENET-1, ZA
680 278 1998 238 DFN Verein zur Foerderung eines Deutsch
7896 250 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
376 204 178 153 RISQ-AS, CA
36914 196 82 3 KENET-AS, KE
5786 195 16 1 UPRENET, PR
786 186 1774 183 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 340 267 TENET-1, ZA
7896 250 243 NU-AS, US
5786 195 194 UPRENET, PR
36914 196 193 KENET-AS, KE
58647 164 162 KAGAWAU-AS Kagawa University, JP
8895 143 139 ISU Internet Services Unit ISU, SA
1916 177 136 Associacao Rede Nacional de Ensino e Pesquisa,
18558 136 132 NETBLK-RCOEK, US
327687 126 123 RENU, UG
Complete listing at https://bgp.nsrc.org/REN/PERN/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
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
29955 UNALLOCATED 198.252.8.0/21 2495 KANREN, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
394784 UNALLOCATED 205.166.145.0/24 40831 PHS, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
205.166.145.0/24 Origin: 394784 UNASSIGNED
205.166.145.0/24 Transit: 40831 PHS, US
Complete listing at https://bgp.nsrc.org/REN/PERN/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 /11:1 /12:10
/13:18 /14:35 /15:123 /16:2012 /17:381 /18:433
/19:567 /20:893 /21:907 /22:1433 /23:1555 /24:10340
/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 182 196 KENET-AS, KE
8895 138 143 ISU Internet Services Unit ISU, SA
23024 53 114 OCDE, US
327700 38 43 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
18632 29 55 VOLCANO-VISION, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 5:15 6:4 8:2 12:1 14:84
18:42 23:8 24:6 31:6 37:6 38:9
40:1 41:151 42:8 44:5 45:65 46:6
47:1 49:10 50:4 52:1 59:20 60:4
61:3 62:7 63:38 64:55 65:4 66:51
67:44 68:8 69:21 71:1 72:13 74:20
76:32 77:6 78:3 79:10 80:17 81:27
82:5 83:7 84:5 85:33 86:9 87:1
88:1 89:10 91:47 92:1 93:19 94:4
95:5 96:5 97:1 98:2 101:6 102:16
103:308 104:74 106:1 107:17 108:8 109:9
110:3 111:20 112:4 114:23 116:5 117:61
118:32 119:21 121:26 122:8 123:8 124:39
125:4 128:83 129:174 130:93 131:89 132:61
133:138 134:104 136:188 137:140 138:8 139:5
140:50 141:2 142:41 143:32 144:52 145:1
146:124 147:61 148:160 149:13 150:39 151:6
152:71 153:11 154:24 155:51 156:68 157:25
158:42 159:117 160:25 161:17 162:28 163:65
164:42 165:54 166:1 167:16 168:154 169:10
170:68 171:1 172:2 173:7 175:31 176:8
177:10 178:1 179:12 180:21 181:12 182:6
184:5 185:42 186:3 187:18 188:13 189:3
190:54 191:37 192:1351 193:254 194:139 195:93
196:175 197:104 198:502 199:277 200:253 201:38
202:631 203:419 204:331 205:172 206:195 207:176
208:59 209:123 210:184 211:14 212:171 213:4
214:7 216:86 217:14 218:25 219:8 220:17
222:5 223:2
End of report
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