[REN-BGP-stats-all] Global R&E Routing Table Report - Internet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Jun 25 22:00:47 UTC 2021
Global R&E Routing Table Report 22:00 GMT Fri 25 Jun, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/
Analysis Summary
----------------
BGP routing table entries examined: 22263
Prefixes after maximum aggregation (per Origin AS): 12131
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 14347
Total ASes present in the Internet Routing Table: 2759
Prefixes per ASN: 8.07
Origin-only ASes present in the Internet Routing Table: 2360
Origin ASes announcing only one prefix: 1087
Transit ASes present in the Internet Routing Table: 399
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 14
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 16
Number of instances of unregistered ASNs: 16
Number of 32-bit ASNs allocated by the RIRs: 36430
Number of 32-bit ASNs visible in the Routing Table: 587
Prefixes from 32-bit ASNs in the Routing Table: 1706
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: 4
Number of addresses announced to Internet: 289485976
Equivalent to 17 /8s, 65 /16s and 52 /24s
Percentage of available address space announced: 7.8
Percentage of allocated address space announced: 7.8
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: 3103
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4734
Total APNIC prefixes after maximum aggregation: 2351
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4787
Unique aggregates announced from the APNIC address blocks: 2740
APNIC Region origin ASes present in the Internet Routing Table: 566
APNIC Prefixes per ASN: 8.46
APNIC Region origin ASes announcing only one prefix: 238
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 207
Number of APNIC addresses announced to Internet: 47073344
Equivalent to 2 /8s, 206 /16s and 72 /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: 11604
Total ARIN prefixes after maximum aggregation: 6299
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 11483
Unique aggregates announced from the ARIN address blocks: 7711
ARIN Region origin ASes present in the Internet Routing Table: 1228
ARIN Prefixes per ASN: 9.35
ARIN Region origin ASes announcing only one prefix: 438
ARIN Region transit ASes present in the Internet Routing Table: 168
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: 151
Number of ARIN addresses announced to Internet: 175109784
Equivalent to 10 /8s, 111 /16s and 246 /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: 3198
Total RIPE prefixes after maximum aggregation: 2711
RIPE Deaggregation factor: 1.18
Prefixes being announced from the RIPE address blocks: 3271
Unique aggregates announced from the RIPE address blocks: 2831
RIPE Region origin ASes present in the Internet Routing Table: 660
RIPE Prefixes per ASN: 4.96
RIPE Region origin ASes announcing only one prefix: 316
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 3.7
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: 59723904
Equivalent to 3 /8s, 143 /16s and 80 /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: 1584
Total LACNIC prefixes after maximum aggregation: 596
LACNIC Deaggregation factor: 2.66
Prefixes being announced from the LACNIC address blocks: 1588
Unique aggregates announced from the LACNIC address blocks: 826
LACNIC Region origin ASes present in the Internet Routing Table: 180
LACNIC Prefixes per ASN: 8.82
LACNIC Region origin ASes announcing only one prefix: 72
LACNIC Region transit ASes present in the Internet Routing Table: 30
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 78
Number of LACNIC addresses announced to Internet: 4773440
Equivalent to 0 /8s, 72 /16s and 214 /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: 1127
Total AfriNIC prefixes after maximum aggregation: 159
AfriNIC Deaggregation factor: 7.09
Prefixes being announced from the AfriNIC address blocks: 1130
Unique aggregates announced from the AfriNIC address blocks: 235
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 23.06
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2800640
Equivalent to 0 /8s, 42 /16s and 188 /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 619 2155 456 SINET-AS Research Organization of Infor
7497 433 215 29 CSTNET-AS-AP Computer Network Informati
1237 192 75 137 KREONET-AS-KR KISTI, KR
7575 181 331 127 AARNET-AS-AP Australian Academic and Re
58647 176 18 2 KAGAWAU-AS Kagawa University, JP
4538 125 4192 72 ERX-CERNET-BKB China Education and Rese
55824 114 18 11 NKN-CORE-NW NKN Core Network, IN
4621 81 37 11 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 2406 4429 894 AMAZON-02, US
14618 492 3966 364 AMAZON-AES, US
7896 245 51 7 NU-AS, US
376 235 180 158 RISQ-AS, CA
668 209 702 180 DNIC-AS-00668, US
8075 205 11189 184 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 201 16 1 UPRENET, PR
2152 160 507 91 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
1 119 1 41 LVLT-1, 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
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
786 187 1787 185 JANET Jisc Services Limited, GB
559 116 550 107 SWITCH Peering requests: (peering at switc
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 66 647 61 FR-RENATER Reseau National de telecommu
2614 62 32 59 ROEDUNET, RO
1930 56 82 51 RCCN Fundacao para a Ciencia e a Tecnol
1653 54 151 50 SUNET SUNET Swedish University Network,
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 202 207 41 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
27884 96 6 2 CABLECOLOR S.A., HN
11340 89 23 52 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
61468 45 3 15 CEDIA, EC
4270 44 16 1 Red de Interconexion Universitaria, AR
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
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
36914 409 82 3 KENET-AS, KE
2018 324 319 74 TENET-1, ZA
327687 136 28 3 RENU, UG
8094 55 48 4 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
37182 11 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
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 2406 4429 894 AMAZON-02, US
2907 619 2155 456 SINET-AS Research Organization of Infor
14618 492 3966 364 AMAZON-AES, US
7497 433 215 29 CSTNET-AS-AP Computer Network Informati
36914 409 82 3 KENET-AS, KE
2018 324 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 245 51 7 NU-AS, US
376 235 180 158 RISQ-AS, CA
668 209 702 180 DNIC-AS-00668, US
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 409 406 KENET-AS, KE
7497 433 404 CSTNET-AS-AP Computer Network Information Cente
2018 324 250 TENET-1, ZA
7896 245 238 NU-AS, US
5786 201 200 UPRENET, PR
58647 176 174 KAGAWAU-AS Kagawa University, JP
2907 619 163 SINET-AS Research Organization of Information a
1916 202 161 Associacao Rede Nacional de Ensino e Pesquisa,
18558 137 133 NETBLK-RCOEK, US
327687 136 133 RENU, UG
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
36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US
19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.23.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.252.0/22 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
36843 UNALLOCATED 162.223.23.0/24 11096 FLORIDANET, 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
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: 11537 INTERNET2-RESEARCH-EDU, US
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
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 /10:4 /11:7 /12:29
/13:34 /14:81 /15:195 /16:2152 /17:449 /18:458
/19:624 /20:980 /21:1016 /22:1576 /23:1672 /24:12681
/25:59 /26:62 /27:112 /28:1 /29:48 /30:0
/31:22 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 664 2406 AMAZON-02, US
36914 381 409 KENET-AS, KE
14618 158 492 AMAZON-AES, US
27884 93 96 CABLECOLOR S.A., HN
23024 53 56 OCDE, US
1 34 119 LVLT-1, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
327700 32 38 MoRENet, MZ
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 3:79 4:2 5:15 6:4 8:2
12:1 13:217 14:84 15:12 18:41 23:23
24:6 31:6 37:6 38:9 40:3 41:239
42:26 44:5 45:71 46:10 47:1 49:10
50:5 52:607 54:118 58:2 59:20 60:4
61:4 62:6 63:34 64:126 65:6 66:52
67:57 68:18 69:42 70:9 71:17 72:16
74:39 75:128 76:166 77:9 78:3 79:10
80:14 81:32 82:5 83:7 84:5 85:36
86:9 87:1 88:1 89:11 91:51 92:1
93:12 94:4 95:4 96:6 97:1 98:8
99:178 101:2 102:9 103:304 104:40 106:1
107:8 108:19 109:8 110:3 111:21 112:4
113:1 114:23 115:1 116:6 117:63 118:35
119:18 121:29 122:11 123:8 124:40 125:13
128:86 129:180 130:122 131:110 132:60 133:137
134:92 135:1 136:203 137:159 138:15 139:16
140:50 141:3 142:61 143:41 144:67 146:121
147:76 148:167 149:16 150:46 151:6 152:76
153:11 154:25 155:53 156:64 157:30 158:47
159:118 160:33 161:19 162:45 163:72 164:31
165:22 166:1 167:20 168:167 169:9 170:93
171:1 172:10 173:19 174:1 175:32 176:11
177:8 178:3 179:14 180:21 181:11 182:6
184:12 185:49 186:3 187:18 188:14 189:6
190:141 191:36 192:1485 193:205 194:129 195:60
196:168 197:194 198:507 199:310 200:256 201:39
202:642 203:432 204:383 205:201 206:197 207:191
208:87 209:132 210:188 211:14 212:39 213:13
214:7 216:107 217:16 218:26 219:8 220:24
222:4 223:2
End of report
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