[REN-BGP-stats-all] Global R&E Routing Table Report - SingAREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Apr 20 19:15:12 UTC 2021
Global R&E Routing Table Report 19:15 GMT Tue 20 Apr, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/SingAREN/
Analysis Summary
----------------
BGP routing table entries examined: 19332
Prefixes after maximum aggregation (per Origin AS): 10736
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 12094
Total ASes present in the Internet Routing Table: 2794
Prefixes per ASN: 6.92
Origin-only ASes present in the Internet Routing Table: 2392
Origin ASes announcing only one prefix: 1102
Transit ASes present in the Internet Routing Table: 402
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 17
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 35764
Number of 32-bit ASNs visible in the Routing Table: 598
Prefixes from 32-bit ASNs in the Routing Table: 1729
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 5
Number of addresses announced to Internet: 208938348
Equivalent to 12 /8s, 116 /16s and 37 /24s
Percentage of available address space announced: 5.6
Percentage of allocated address space announced: 5.6
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: 2412
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4785
Total APNIC prefixes after maximum aggregation: 2390
APNIC Deaggregation factor: 2.00
Prefixes being announced from the APNIC address blocks: 4781
Unique aggregates announced from the APNIC address blocks: 2709
APNIC Region origin ASes present in the Internet Routing Table: 579
APNIC Prefixes per ASN: 8.26
APNIC Region origin ASes announcing only one prefix: 249
APNIC Region transit ASes present in the Internet Routing Table: 66
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 11
Number of APNIC region 32-bit ASNs visible in the Routing Table: 218
Number of APNIC addresses announced to Internet: 46494316
Equivalent to 2 /8s, 197 /16s and 114 /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, 131072-143673
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: 8420
Total ARIN prefixes after maximum aggregation: 4795
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 8445
Unique aggregates announced from the ARIN address blocks: 5496
ARIN Region origin ASes present in the Internet Routing Table: 1239
ARIN Prefixes per ASN: 6.82
ARIN Region origin ASes announcing only one prefix: 441
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 151
Number of ARIN addresses announced to Internet: 97434688
Equivalent to 5 /8s, 206 /16s and 188 /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: 3407
Total RIPE prefixes after maximum aggregation: 2749
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3398
Unique aggregates announced from the RIPE address blocks: 2744
RIPE Region origin ASes present in the Internet Routing Table: 676
RIPE Prefixes per ASN: 5.03
RIPE Region origin ASes announcing only one prefix: 318
RIPE Region transit ASes present in the Internet Routing Table: 110
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 130
Number of RIPE addresses announced to Internet: 58139008
Equivalent to 3 /8s, 119 /16s and 33 /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: 1452
Total LACNIC prefixes after maximum aggregation: 591
LACNIC Deaggregation factor: 2.46
Prefixes being announced from the LACNIC address blocks: 1450
Unique aggregates announced from the LACNIC address blocks: 830
LACNIC Region origin ASes present in the Internet Routing Table: 177
LACNIC Prefixes per ASN: 8.19
LACNIC Region origin ASes announcing only one prefix: 71
LACNIC Region transit ASes present in the Internet Routing Table: 28
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 75
Number of LACNIC addresses announced to Internet: 4105024
Equivalent to 0 /8s, 62 /16s and 163 /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: 1253
Total AfriNIC prefixes after maximum aggregation: 197
AfriNIC Deaggregation factor: 6.36
Prefixes being announced from the AfriNIC address blocks: 1253
Unique aggregates announced from the AfriNIC address blocks: 310
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 25.06
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2698752
Equivalent to 0 /8s, 41 /16s and 46 /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 630 2156 457 SINET-AS Research Organization of Infor
7497 443 233 33 CSTNET-AS-AP Computer Network Informati
58647 198 18 2 KAGAWAU-AS Kagawa University, JP
1237 189 75 132 KREONET-AS-KR KISTI, KR
7575 186 347 132 AARNET-AS-AP Australian Academic and Re
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
4538 123 4192 72 ERX-CERNET-BKB China Education and Rese
4621 83 45 11 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 57 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 260 51 7 NU-AS, US
376 236 180 158 RISQ-AS, CA
668 210 718 176 DNIC-AS-00668, US
5786 201 16 1 UPRENET, PR
2152 165 507 97 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 117 297 87 AS270, US
23024 114 7 17 OCDE, US
2920 112 34 6 LACOE, US
21976 88 51 18 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/SingAREN/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
8895 172 24 4 ISU Internet Services Unit (ISU), SA
559 115 550 106 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 66 646 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
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 201 211 40 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 67 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
61468 45 3 15 CEDIA, EC
4270 44 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/SingAREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 417 82 3 KENET-AS, KE
2018 325 319 74 TENET-1, ZA
327687 136 28 3 RENU, UG
327700 87 16 1 MoRENet, MZ
2561 74 5 34 EUN, EG
8094 55 48 4 PUKNET, ZA
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 630 2156 457 SINET-AS Research Organization of Infor
7497 443 233 33 CSTNET-AS-AP Computer Network Informati
36914 417 82 3 KENET-AS, KE
2018 325 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 260 51 7 NU-AS, US
376 236 180 158 RISQ-AS, CA
668 210 718 176 DNIC-AS-00668, US
1916 201 211 40 Associacao Rede Nacional de Ensino e Pe
5786 201 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 417 414 KENET-AS, KE
7497 443 410 CSTNET-AS-AP Computer Network Information Cente
7896 260 253 NU-AS, US
2018 325 251 TENET-1, ZA
5786 201 200 UPRENET, PR
58647 198 196 KAGAWAU-AS Kagawa University, JP
8895 172 168 ISU Internet Services Unit (ISU), SA
1916 201 161 Associacao Rede Nacional de Ensino e Pesquisa,
327687 136 133 RENU, UG
18558 134 130 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/SingAREN/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/SingAREN/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
172.16.150.0/24 9489 KARINET-AS Korea Aerospace Research Institute,
172.16.160.0/24 9489 KARINET-AS Korea Aerospace Research Institute,
172.30.0.0/16 9489 KARINET-AS Korea Aerospace Research Institute,
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
172.16.150.0/24 Origin: 9489 KARINET-AS Korea Aerospace Research Inst
Transit: 1237 KREONET-AS-KR KISTI, KR
172.16.160.0/24 Origin: 9489 KARINET-AS Korea Aerospace Research Inst
Transit: 1237 KREONET-AS-KR KISTI, KR
172.30.0.0/16 Origin: 9489 KARINET-AS Korea Aerospace Research Inst
Transit: 1237 KREONET-AS-KR KISTI, KR
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: 20965 GEANT The GEANT IP Service, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/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 /14:37 /15:118 /16:2057 /17:388 /18:420
/19:593 /20:897 /21:933 /22:1428 /23:1522 /24:10619
/25:83 /26:65 /27:59 /28:33 /29:31 /30:14
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 389 417 KENET-AS, KE
8895 167 172 ISU Internet Services Unit (ISU), SA
327700 81 87 MoRENet, MZ
23024 53 114 OCDE, US
58647 34 198 KAGAWAU-AS Kagawa University, JP
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
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 6:4 8:2 12:1 14:84
18:41 23:6 24:6 31:6 37:6 38:9
40:1 41:284 42:25 44:5 45:60 46:7
47:1 49:10 50:4 52:1 58:1 59:20
60:4 61:4 62:7 63:38 64:55 65:6
66:44 67:45 68:8 69:17 71:1 72:14
74:18 76:33 77:4 78:3 79:10 80:14
81:32 82:3 83:8 84:5 85:35 86:9
87:1 88:1 89:10 91:48 92:1 93:13
94:4 95:4 96:5 97:1 98:2 101:6
102:9 103:301 104:76 106:1 107:17 108:8
109:8 110:3 111:16 112:4 114:23 115:1
116:5 117:63 118:35 119:18 121:29 122:9
123:8 124:40 125:13 128:79 129:220 130:91
131:100 132:58 133:137 134:91 136:193 137:148
138:14 139:5 140:48 141:2 142:43 143:35
144:67 146:125 147:66 148:161 149:13 150:37
151:5 152:77 153:11 154:24 155:53 156:64
157:25 158:44 159:114 160:26 161:16 162:26
163:65 164:40 165:14 166:1 167:15 168:128
169:9 170:67 171:1 172:3 173:7 175:32
176:8 177:7 178:1 179:11 180:21 181:11
182:6 184:6 185:40 186:3 187:18 188:13
189:6 190:44 191:36 192:1436 193:249 194:141
195:100 196:170 197:204 198:518 199:276 200:252
201:39 202:590 203:408 204:360 205:179 206:195
207:178 208:59 209:121 210:173 211:14 212:166
213:4 214:7 216:67 217:16 218:26 219:8
220:24 222:4 223:1
End of report
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