[REN-BGP-stats-all] Global R&E Routing Table Report - SingAREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Jun 3 19:15:13 UTC 2021
Global R&E Routing Table Report 19:15 GMT Thu 03 Jun, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/SingAREN/
Analysis Summary
----------------
BGP routing table entries examined: 19301
Prefixes after maximum aggregation (per Origin AS): 10744
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 12085
Total ASes present in the Internet Routing Table: 2780
Prefixes per ASN: 6.94
Origin-only ASes present in the Internet Routing Table: 2373
Origin ASes announcing only one prefix: 1083
Transit ASes present in the Internet Routing Table: 407
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 18
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: 36208
Number of 32-bit ASNs visible in the Routing Table: 589
Prefixes from 32-bit ASNs in the Routing Table: 1702
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: 6
Number of addresses announced to Internet: 209075020
Equivalent to 12 /8s, 118 /16s and 59 /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: 2388
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4804
Total APNIC prefixes after maximum aggregation: 2386
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4804
Unique aggregates announced from the APNIC address blocks: 2719
APNIC Region origin ASes present in the Internet Routing Table: 570
APNIC Prefixes per ASN: 8.43
APNIC Region origin ASes announcing only one prefix: 235
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: 209
Number of APNIC addresses announced to Internet: 46423916
Equivalent to 2 /8s, 196 /16s and 95 /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: 8391
Total ARIN prefixes after maximum aggregation: 4807
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 8402
Unique aggregates announced from the ARIN address blocks: 5480
ARIN Region origin ASes present in the Internet Routing Table: 1233
ARIN Prefixes per ASN: 6.81
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 167
Average ARIN Region AS path length visible: 5.5
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 150
Number of ARIN addresses announced to Internet: 97489184
Equivalent to 5 /8s, 207 /16s and 145 /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: 3416
Total RIPE prefixes after maximum aggregation: 2753
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3416
Unique aggregates announced from the RIPE address blocks: 2752
RIPE Region origin ASes present in the Internet Routing Table: 674
RIPE Prefixes per ASN: 5.07
RIPE Region origin ASes announcing only one prefix: 319
RIPE Region transit ASes present in the Internet Routing Table: 112
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: 129
Number of RIPE addresses announced to Internet: 58169216
Equivalent to 3 /8s, 119 /16s and 151 /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: 1477
Total LACNIC prefixes after maximum aggregation: 593
LACNIC Deaggregation factor: 2.49
Prefixes being announced from the LACNIC address blocks: 1475
Unique aggregates announced from the LACNIC address blocks: 825
LACNIC Region origin ASes present in the Internet Routing Table: 179
LACNIC Prefixes per ASN: 8.24
LACNIC Region origin ASes announcing only one prefix: 73
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: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 77
Number of LACNIC addresses announced to Internet: 4193856
Equivalent to 0 /8s, 63 /16s and 254 /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: 1197
Total AfriNIC prefixes after maximum aggregation: 190
AfriNIC Deaggregation factor: 6.30
Prefixes being announced from the AfriNIC address blocks: 1198
Unique aggregates announced from the AfriNIC address blocks: 303
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 24.45
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.3
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2728192
Equivalent to 0 /8s, 41 /16s and 161 /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 2155 456 SINET-AS Research Organization of Infor
7497 433 213 26 CSTNET-AS-AP Computer Network Informati
58647 198 18 2 KAGAWAU-AS Kagawa University, JP
1237 194 75 137 KREONET-AS-KR KISTI, KR
7575 180 331 127 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 12 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 245 51 7 NU-AS, US
376 235 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
5786 201 16 1 UPRENET, PR
2152 165 507 97 CSUNET-NW, US
18558 137 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
559 116 550 107 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
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 204 207 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 66 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
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 411 82 3 KENET-AS, KE
2018 324 319 74 TENET-1, ZA
327687 135 28 3 RENU, UG
2561 74 5 34 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
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 2155 456 SINET-AS Research Organization of Infor
7497 433 213 26 CSTNET-AS-AP Computer Network Informati
36914 411 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
668 210 702 181 DNIC-AS-00668, US
1916 204 207 41 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 411 408 KENET-AS, KE
7497 433 407 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 198 196 KAGAWAU-AS Kagawa University, JP
8895 172 168 ISU Internet Services Unit (ISU), SA
1916 204 163 Associacao Rede Nacional de Ensino e Pesquisa,
18558 137 133 NETBLK-RCOEK, US
327687 135 132 RENU, UG
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
164.160.240.0/20 Origin: 328439 UNASSIGNED
Transit: 327992 GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK,
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
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 /16:2055 /17:389 /18:429
/19:594 /20:903 /21:932 /22:1454 /23:1545 /24:10522
/25:88 /26:66 /27:54 /28:33 /29:31 /30:15
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 385 411 KENET-AS, KE
8895 167 172 ISU Internet Services Unit (ISU), SA
23024 53 114 OCDE, US
58647 34 198 KAGAWAU-AS Kagawa University, JP
327700 33 39 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
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 41:238 42:25 44:5 45:58 46:7
47:1 49:10 50:4 52:1 58:1 59:20
60:4 61:4 62:7 63:38 64:55 65:5
66:54 67:45 68:8 69:18 71:1 72:14
74:19 76:33 77:5 78:3 79:10 80:14
81:32 82:4 83:8 84:5 85:34 86:9
87:1 88:1 89:10 91:46 92:1 93:12
94:4 95:4 96:5 97:1 98:2 101:2
102:9 103:290 104:72 106:1 107:17 108:8
109:8 110:3 111:20 112:4 114:23 115:1
116:5 117:63 118:35 119:19 121:29 122:8
123:8 124:40 125:13 128:79 129:175 130:91
131:91 132:56 133:137 134:92 136:193 137:145
138:11 139:5 140:48 141:2 142:43 143:35
144:53 146:125 147:66 148:160 149:13 150:37
151:5 152:77 153:11 154:24 155:47 156:64
157:26 158:45 159:115 160:26 161:17 162:25
163:69 164:40 165:14 166:1 167:15 168:124
169:9 170:67 171:1 172:3 173:7 175:32
176:8 177:7 178:1 179:12 180:21 181:11
182:6 184:8 185:41 186:3 187:18 188:13
189:6 190:43 191:36 192:1441 193:249 194:144
195:101 196:169 197:198 198:511 199:274 200:261
201:39 202:592 203:427 204:360 205:174 206:195
207:177 208:61 209:121 210:188 211:14 212:165
213:4 214:7 216:66 217:16 218:26 219:8
220:24 222:4 223:2
End of report
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