[REN-BGP-stats-all] Global R&E Routing Table Report - KREONet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jul 31 20:15:57 UTC 2021
Global R&E Routing Table Report 20:15 GMT Sat 31 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 20458
Prefixes after maximum aggregation (per Origin AS): 11149
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 12579
Total ASes present in the Internet Routing Table: 2797
Prefixes per ASN: 7.31
Origin-only ASes present in the Internet Routing Table: 2393
Origin ASes announcing only one prefix: 1100
Transit ASes present in the Internet Routing Table: 404
Transit-only ASes present in the Internet Routing Table: 74
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 24
Number of instances of unregistered ASNs: 24
Number of 32-bit ASNs allocated by the RIRs: 36740
Number of 32-bit ASNs visible in the Routing Table: 602
Prefixes from 32-bit ASNs in the Routing Table: 1746
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: 8
Number of addresses announced to Internet: 269322455
Equivalent to 16 /8s, 13 /16s and 136 /24s
Percentage of available address space announced: 7.3
Percentage of allocated address space announced: 7.3
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: 2565
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4989
Total APNIC prefixes after maximum aggregation: 2432
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4948
Unique aggregates announced from the APNIC address blocks: 2767
APNIC Region origin ASes present in the Internet Routing Table: 571
APNIC Prefixes per ASN: 8.67
APNIC Region origin ASes announcing only one prefix: 238
APNIC Region transit ASes present in the Internet Routing Table: 64
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 211
Number of APNIC addresses announced to Internet: 47155820
Equivalent to 2 /8s, 207 /16s and 138 /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: 9545
Total ARIN prefixes after maximum aggregation: 5161
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 9563
Unique aggregates announced from the ARIN address blocks: 5874
ARIN Region origin ASes present in the Internet Routing Table: 1242
ARIN Prefixes per ASN: 7.70
ARIN Region origin ASes announcing only one prefix: 447
ARIN Region transit ASes present in the Internet Routing Table: 165
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 157
Number of ARIN addresses announced to Internet: 154875553
Equivalent to 9 /8s, 59 /16s and 54 /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: 3435
Total RIPE prefixes after maximum aggregation: 2759
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3471
Unique aggregates announced from the RIPE address blocks: 2807
RIPE Region origin ASes present in the Internet Routing Table: 676
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 321
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: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 131
Number of RIPE addresses announced to Internet: 59728266
Equivalent to 3 /8s, 143 /16s and 97 /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: 1576
Total LACNIC prefixes after maximum aggregation: 592
LACNIC Deaggregation factor: 2.66
Prefixes being announced from the LACNIC address blocks: 1575
Unique aggregates announced from the LACNIC address blocks: 823
LACNIC Region origin ASes present in the Internet Routing Table: 179
LACNIC Prefixes per ASN: 8.80
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: 5.2
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 77
Number of LACNIC addresses announced to Internet: 4671296
Equivalent to 0 /8s, 71 /16s and 71 /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: 889
Total AfriNIC prefixes after maximum aggregation: 187
AfriNIC Deaggregation factor: 4.75
Prefixes being announced from the AfriNIC address blocks: 893
Unique aggregates announced from the AfriNIC address blocks: 300
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 18.22
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.1
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2820352
Equivalent to 0 /8s, 43 /16s and 9 /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 631 2156 457 SINET-AS Research Organization of Infor
7497 435 214 25 CSTNET-AS-AP Computer Network Informati
58647 198 18 2 KAGAWAU-AS Kagawa University, JP
1237 195 75 137 KREONET-AS-KR KISTI, KR
7575 180 330 126 AARNET-AS-AP Australian Academic and Re
4538 168 4192 72 ERX-CERNET-BKB China Education and Rese
55824 129 19 23 NKN-CORE-NW NKN Core Network, IN
45102 100 202 53 CNNIC-ALIBABA-US-NET-AP Alibaba US Tech
4621 81 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
15169 745 3282 67 GOOGLE, US
7896 246 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
8075 205 11189 184 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 201 16 1 UPRENET, PR
6939 171 121 124 HURRICANE, US
2152 161 507 89 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
270 117 297 87 AS270, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 1779 185 JANET Jisc Services Limited, GB
8895 173 24 4 ISU Internet Services Unit ISU, SA
559 116 550 107 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 62 32 59 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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,
11340 94 24 54 Red Universitaria Nacional, CL
27884 93 6 2 CABLECOLOR S.A., HN
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
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/KREONet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 329 319 74 TENET-1, ZA
327687 134 28 3 RENU, UG
36914 95 82 3 KENET-AS, KE
2561 75 5 33 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 30 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 11 8 2 UG-AS, GH
37182 11 8 1 TERNET, TZ
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
15169 745 3282 67 GOOGLE, US
2907 631 2156 457 SINET-AS Research Organization of Infor
7497 435 214 25 CSTNET-AS-AP Computer Network Informati
2018 329 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 246 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
8075 205 11189 184 MICROSOFT-CORP-MSN-AS-BLOCK, US
1916 202 207 41 Associacao Rede Nacional de Ensino e Pe
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 435 410 CSTNET-AS-AP Computer Network Information Cente
2018 329 255 TENET-1, ZA
7896 246 239 NU-AS, US
5786 201 200 UPRENET, PR
58647 198 196 KAGAWAU-AS Kagawa University, JP
2907 631 174 SINET-AS Research Organization of Information a
8895 173 169 ISU Internet Services Unit ISU, SA
1916 202 161 Associacao Rede Nacional de Ensino e Pesquisa,
18558 137 133 NETBLK-RCOEK, US
327687 134 131 RENU, UG
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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
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
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/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: 7500 M-ROOT-DNS WIDE Project, JP
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /11:6 /12:24
/13:37 /14:84 /15:149 /16:2174 /17:424 /18:458
/19:723 /20:938 /21:958 /22:1474 /23:1588 /24:11095
/25:84 /26:65 /27:54 /28:37 /29:32 /30:18
/31:0 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 274 745 GOOGLE, US
8895 168 173 ISU Internet Services Unit ISU, SA
27884 90 93 CABLECOLOR S.A., HN
36914 82 95 KENET-AS, KE
6939 70 171 HURRICANE, US
23024 53 113 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
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 5:17 6:4 8:4 12:1 13:1
14:83 18:41 23:14 24:5 31:6 35:1
37:6 38:9 40:1 41:139 42:31 44:5
45:77 46:7 47:11 49:10 50:4 52:2
58:4 59:20 60:4 61:4 62:7 63:37
64:84 65:8 66:60 67:46 68:8 69:17
70:8 71:1 72:24 74:82 76:33 77:6
78:3 79:10 80:14 81:30 82:4 83:7
84:9 85:33 86:9 87:1 88:1 89:10
91:47 92:1 93:12 94:4 95:5 96:5
97:1 98:2 101:3 102:9 103:302 104:78
106:1 107:16 108:43 109:8 110:5 111:21
112:4 113:1 114:23 115:1 116:4 117:61
118:35 119:19 121:30 122:8 123:8 124:42
125:13 128:81 129:174 130:95 131:102 132:60
133:137 134:97 136:193 137:146 138:10 139:5
140:53 141:2 142:154 143:39 144:54 146:125
147:71 148:160 149:13 150:41 151:6 152:78
153:11 154:24 155:50 156:66 157:25 158:44
159:117 160:25 161:19 162:23 163:65 164:40
165:16 166:1 167:17 168:131 169:10 170:67
171:1 172:93 173:86 175:32 176:8 177:8
178:1 179:8 180:21 181:11 182:6 184:8
185:46 186:3 187:18 188:13 189:6 190:138
191:36 192:1450 193:255 194:145 195:92 196:169
197:4 198:539 199:284 200:255 201:39 202:634
203:440 204:367 205:180 206:191 207:177 208:73
209:132 210:190 211:14 212:169 213:4 214:7
216:127 217:16 218:26 219:14 220:24 222:4
223:4
End of report
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