[REN-BGP-stats-all] Global R&E Routing Table Report - Internet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Nov 3 22:00:32 UTC 2021
Global R&E Routing Table Report 22:00 GMT Wed 03 Nov, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/
Analysis Summary
----------------
BGP routing table entries examined: 22251
Prefixes after maximum aggregation (per Origin AS): 12108
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 14430
Total ASes present in the Internet Routing Table: 2763
Prefixes per ASN: 8.05
Origin-only ASes present in the Internet Routing Table: 2382
Origin ASes announcing only one prefix: 1096
Transit ASes present in the Internet Routing Table: 381
Transit-only ASes present in the Internet Routing Table: 51
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 13
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 18
Number of instances of unregistered ASNs: 18
Number of 32-bit ASNs allocated by the RIRs: 37723
Number of 32-bit ASNs visible in the Routing Table: 618
Prefixes from 32-bit ASNs in the Routing Table: 1828
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: 7
Number of addresses announced to Internet: 242911064
Equivalent to 14 /8s, 122 /16s and 135 /24s
Percentage of available address space announced: 6.6
Percentage of allocated address space announced: 6.6
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: 2980
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4735
Total APNIC prefixes after maximum aggregation: 2336
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4779
Unique aggregates announced from the APNIC address blocks: 2701
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 8.17
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 226
Number of APNIC addresses announced to Internet: 45971520
Equivalent to 2 /8s, 189 /16s and 120 /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: 11603
Total ARIN prefixes after maximum aggregation: 6209
ARIN Deaggregation factor: 1.87
Prefixes being announced from the ARIN address blocks: 11520
Unique aggregates announced from the ARIN address blocks: 7715
ARIN Region origin ASes present in the Internet Routing Table: 1219
ARIN Prefixes per ASN: 9.45
ARIN Region origin ASes announcing only one prefix: 430
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 156
Number of ARIN addresses announced to Internet: 131940664
Equivalent to 7 /8s, 221 /16s and 65 /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: 3421
Total RIPE prefixes after maximum aggregation: 2749
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3465
Unique aggregates announced from the RIPE address blocks: 2847
RIPE Region origin ASes present in the Internet Routing Table: 670
RIPE Prefixes per ASN: 5.17
RIPE Region origin ASes announcing only one prefix: 322
RIPE Region transit ASes present in the Internet Routing Table: 104
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 131
Number of RIPE addresses announced to Internet: 58138304
Equivalent to 3 /8s, 119 /16s and 30 /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: 1551
Total LACNIC prefixes after maximum aggregation: 621
LACNIC Deaggregation factor: 2.50
Prefixes being announced from the LACNIC address blocks: 1557
Unique aggregates announced from the LACNIC address blocks: 866
LACNIC Region origin ASes present in the Internet Routing Table: 183
LACNIC Prefixes per ASN: 8.51
LACNIC Region origin ASes announcing only one prefix: 72
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 80
Number of LACNIC addresses announced to Internet: 4104480
Equivalent to 0 /8s, 62 /16s and 161 /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: 923
Total AfriNIC prefixes after maximum aggregation: 188
AfriNIC Deaggregation factor: 4.91
Prefixes being announced from the AfriNIC address blocks: 923
Unique aggregates announced from the AfriNIC address blocks: 294
AfriNIC Region origin ASes present in the Internet Routing Table: 51
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: 13
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2754304
Equivalent to 0 /8s, 42 /16s and 7 /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 622 2157 458 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
7575 175 329 121 AARNET-AS-AP Australian Academic and Re
55824 128 19 22 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/Internet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2679 4479 1007 AMAZON-02, US
14618 540 3985 411 AMAZON-AES, US
7896 250 51 7 NU-AS, US
376 233 180 157 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
5786 201 16 1 UPRENET, PR
2152 157 507 85 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
1 120 1 41 LVLT-1, US
270 119 329 88 AS270, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 177 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
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/Internet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 204 207 42 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 60 102 40 Fundacao Carlos Chagas Filho de Amparo
52286 53 4 31 Columbus Networks Guatemala, GT
61468 45 3 15 CEDIA, EC
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
4270 43 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 344 319 73 TENET-1, ZA
327687 137 28 3 RENU, UG
36914 100 82 3 KENET-AS, KE
2561 73 5 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
37215 33 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 14 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2679 4479 1007 AMAZON-02, US
2907 622 2157 458 SINET-AS Research Organization of Infor
14618 540 3985 411 AMAZON-AES, US
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 344 319 73 TENET-1, ZA
680 276 1998 238 DFN Verein zur Foerderung eines Deutsch
7896 250 51 7 NU-AS, US
376 233 180 157 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
1916 204 207 42 Associacao Rede Nacional de Ensino e Pe
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 430 406 CSTNET-AS-AP Computer Network Information Cente
2018 344 271 TENET-1, ZA
7896 250 243 NU-AS, US
5786 201 200 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
8895 177 173 ISU Internet Services Unit ISU, SA
2907 622 164 SINET-AS Research Organization of Information a
1916 204 162 Associacao Rede Nacional de Ensino e Pesquisa,
327687 137 134 RENU, UG
18558 137 133 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US
14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US
14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US
396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US
396334 UNALLOCATED 205.143.136.0/24 5078 ONENET-AS-1, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/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/Internet2/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
103.151.24.0/24 Origin: 16509 AMAZON-02, US
103.151.24.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/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 /11:3 /12:17
/13:25 /14:60 /15:173 /16:2096 /17:444 /18:463
/19:598 /20:970 /21:998 /22:1576 /23:1718 /24:12783
/25:82 /26:68 /27:124 /28:1 /29:49 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 706 2679 AMAZON-02, US
14618 178 540 AMAZON-AES, US
8895 172 177 ISU Internet Services Unit ISU, SA
36914 86 100 KENET-AS, KE
23024 53 56 OCDE, US
1 35 120 LVLT-1, US
327700 35 41 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
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 3:78 4:2 5:16 6:4 8:2
12:1 13:165 14:84 15:32 16:2 18:44
23:34 24:6 31:6 37:6 38:9 40:1
41:150 42:8 44:5 45:78 46:8 47:1
49:10 50:5 52:663 54:179 58:1 59:20
60:4 61:3 62:7 63:38 64:126 65:5
66:54 67:60 68:18 69:47 70:9 71:17
72:17 74:40 75:128 76:164 77:8 78:3
79:10 80:17 81:27 82:6 83:7 84:9
85:37 86:9 87:1 88:1 89:12 91:53
92:1 93:19 94:4 95:5 96:6 97:1
98:11 99:181 101:6 102:16 103:335 104:46
106:1 107:8 108:19 109:11 110:3 111:20
112:4 114:23 116:5 117:61 118:32 119:20
121:26 122:11 123:8 124:39 125:5 128:83
129:181 130:120 131:93 132:61 133:138 134:100
135:1 136:204 137:154 138:9 139:16 140:50
141:3 142:61 143:37 144:70 146:126 147:79
148:167 149:20 150:39 151:7 152:79 153:11
154:24 155:59 156:70 157:29 158:45 159:120
160:32 161:20 162:51 163:69 164:52 165:61
166:1 167:22 168:205 169:10 170:98 171:1
172:10 173:15 174:1 175:31 176:12 177:10
178:3 179:13 180:21 181:12 182:6 184:3
185:55 186:3 187:18 188:14 189:3 190:54
191:36 192:1488 193:255 194:123 195:87 196:181
197:5 198:505 199:310 200:254 201:39 202:644
203:426 204:375 205:199 206:202 207:192 208:83
209:134 210:184 211:14 212:172 213:13 214:7
216:133 217:14 218:25 219:8 220:17 222:5
223:2
End of report
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