[REN-BGP-stats-all] Global R&E Routing Table Report - PERN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Dec 12 19:10:29 UTC 2021
Global R&E Routing Table Report 19:10 GMT Sun 12 Dec, 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: 15463
Prefixes after maximum aggregation (per Origin AS): 8986
Deaggregation factor: 1.72
Unique aggregates announced (without unneeded subnets): 9966
Total ASes present in the Internet Routing Table: 2337
Prefixes per ASN: 6.62
Origin-only ASes present in the Internet Routing Table: 2003
Origin ASes announcing only one prefix: 927
Transit ASes present in the Internet Routing Table: 334
Transit-only ASes present in the Internet Routing Table: 50
Average AS path length visible in the Internet Routing Table: 7.4
Max AS path length visible: 19
Max AS path prepend of ASN (211089) 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: 38065
Number of 32-bit ASNs visible in the Routing Table: 493
Prefixes from 32-bit ASNs in the Routing Table: 1366
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: 1
Number of addresses announced to Internet: 186258176
Equivalent to 11 /8s, 26 /16s and 19 /24s
Percentage of available address space announced: 5.0
Percentage of allocated address space announced: 5.0
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: 1468
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3618
Total APNIC prefixes after maximum aggregation: 1682
APNIC Deaggregation factor: 2.15
Prefixes being announced from the APNIC address blocks: 3619
Unique aggregates announced from the APNIC address blocks: 1913
APNIC Region origin ASes present in the Internet Routing Table: 482
APNIC Prefixes per ASN: 7.51
APNIC Region origin ASes announcing only one prefix: 204
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 5.9
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 209
Number of APNIC addresses announced to Internet: 32571648
Equivalent to 1 /8s, 241 /16s and 1 /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: 7804
Total ARIN prefixes after maximum aggregation: 4484
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 7818
Unique aggregates announced from the ARIN address blocks: 5015
ARIN Region origin ASes present in the Internet Routing Table: 1190
ARIN Prefixes per ASN: 6.57
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 154
Average ARIN Region AS path length visible: 9.2
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 157
Number of ARIN addresses announced to Internet: 93483264
Equivalent to 5 /8s, 146 /16s and 113 /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: 2960
Total RIPE prefixes after maximum aggregation: 2552
RIPE Deaggregation factor: 1.16
Prefixes being announced from the RIPE address blocks: 2949
Unique aggregates announced from the RIPE address blocks: 2586
RIPE Region origin ASes present in the Internet Routing Table: 567
RIPE Prefixes per ASN: 5.20
RIPE Region origin ASes announcing only one prefix: 274
RIPE Region transit ASes present in the Internet Routing Table: 92
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 115
Number of RIPE addresses announced to Internet: 57289984
Equivalent to 3 /8s, 106 /16s and 45 /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: 214
Total LACNIC prefixes after maximum aggregation: 102
LACNIC Deaggregation factor: 2.10
Prefixes being announced from the LACNIC address blocks: 211
Unique aggregates announced from the LACNIC address blocks: 186
LACNIC Region origin ASes present in the Internet Routing Table: 19
LACNIC Prefixes per ASN: 11.11
LACNIC Region origin ASes announcing only one prefix: 9
LACNIC Region transit ASes present in the Internet Routing Table: 6
Average LACNIC Region AS path length visible: 12.3
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 407552
Equivalent to 0 /8s, 6 /16s and 56 /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: 865
Total AfriNIC prefixes after maximum aggregation: 164
AfriNIC Deaggregation factor: 5.27
Prefixes being announced from the AfriNIC address blocks: 865
Unique aggregates announced from the AfriNIC address blocks: 265
AfriNIC Region origin ASes present in the Internet Routing Table: 27
AfriNIC Prefixes per ASN: 32.04
AfriNIC Region origin ASes announcing only one prefix: 6
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 5.5
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2505472
Equivalent to 0 /8s, 38 /16s and 59 /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
7497 430 182 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
4538 127 4192 72 ERX-CERNET-BKB China Education and Rese
55824 114 18 11 NKN-CORE-NW NKN Core Network, IN
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
1659 55 1466 35 ERX-TANET-ASN1 Taiwan Academic Network
2697 54 3 32 ERX-ERNET-AS Education and Research Net
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 251 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 147 507 86 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 77 496 15 MIT-GATEWAYS, 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
680 280 1950 246 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
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
1653 53 167 50 SUNET SUNET Swedish University Network,
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
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
28571 16 23 4 UNIVERSIDADE DE SAO PAULO, BR
278 14 32 2 Universidad Nacional Autonoma de Mexico
1251 7 1 7 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
52888 4 0 4 UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
3640 3 14 3 C I C E S E, MX
52890 3 1 1 Centro Integrado de Telematica do Exerc
8151 2 0 2 Uninet S.A. de C.V., MX
18592 2 0 2 Corporacion Universitaria para el Desar
27922 2 1 2 Smithsonian Tropical Research Institute
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 356 319 74 TENET-1, ZA
36914 204 82 3 KENET-AS, KE
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
327687 37 28 3 RENU, UG
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
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
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 356 319 74 TENET-1, ZA
680 280 1950 246 DFN Verein zur Foerderung eines Deutsch
7896 251 51 7 NU-AS, US
668 212 702 180 DNIC-AS-00668, US
36914 204 82 3 KENET-AS, KE
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
786 186 1774 183 JANET Jisc Services Limited, GB
1237 185 74 135 KREONET-AS-KR KISTI, KR
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
2018 356 282 TENET-1, ZA
7896 251 244 NU-AS, US
36914 204 201 KENET-AS, KE
5786 200 199 UPRENET, PR
18558 135 131 NETBLK-RCOEK, US
55824 114 103 NKN-CORE-NW NKN Core Network, IN
2920 108 102 LACOE, US
28391 152 86 Universidad Juarez Autonoma de Tabasco, MX
1736 80 79 MU-AS, US
4621 80 70 UNINET-AS-AP UNINET-, TH
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
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, 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
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
/13:17 /14:34 /15:122 /16:1779 /17:322 /18:359
/19:485 /20:717 /21:734 /22:1157 /23:1261 /24:8462
/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 190 204 KENET-AS, KE
23024 53 56 OCDE, US
327700 36 42 MoRENet, MZ
25977 31 45 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
40326 29 33 ECKERD-COLLEGE, US
200521 29 48 SEAP-AGE, ES
30220 25 26 SWTELCOOP, US
36794 24 26 SCOCA, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 6:4 8:2 12:1 14:84
18:42 23:7 24:1 31:6 37:6 38:9
40:1 41:126 42:8 44:5 45:14 46:6
47:1 49:10 50:1 52:1 59:20 60:4
61:3 62:6 63:34 64:52 66:36 67:43
68:8 69:20 71:1 72:13 74:20 76:33
77:6 78:3 79:10 80:10 81:24 82:2
83:7 84:5 85:19 86:6 87:1 88:1
89:10 91:33 93:19 94:4 95:5 96:5
97:1 98:2 101:6 102:6 103:299 104:12
106:1 107:1 108:10 109:2 110:3 111:16
112:4 114:23 116:5 117:61 118:32 119:21
121:25 122:8 123:8 124:39 125:4 128:85
129:172 130:93 131:81 132:58 134:103 136:192
137:81 138:8 139:5 140:50 141:2 142:40
143:26 144:50 145:1 146:15 147:59 148:159
149:13 150:37 151:6 152:29 153:11 154:26
155:51 156:68 157:17 158:42 159:117 161:17
162:27 163:54 164:17 165:51 166:1 167:12
168:98 169:10 170:9 172:2 173:2 175:29
177:2 178:1 180:21 182:6 184:7 185:32
187:1 188:12 192:1236 193:238 194:113 195:90
196:149 197:111 198:450 199:272 200:12 201:1
202:452 203:413 204:319 205:171 206:185 207:169
208:55 209:114 210:183 211:14 212:41 213:2
214:7 216:86 217:13 218:25 219:3 220:17
222:5 223:2
End of report
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