[REN-BGP-stats-all] Global R&E Routing Table Report - KREONet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Sep 18 20:15:28 UTC 2021
Global R&E Routing Table Report 20:15 GMT Sat 18 Sep, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 20467
Prefixes after maximum aggregation (per Origin AS): 11127
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 12514
Total ASes present in the Internet Routing Table: 2782
Prefixes per ASN: 7.36
Origin-only ASes present in the Internet Routing Table: 2393
Origin ASes announcing only one prefix: 1092
Transit ASes present in the Internet Routing Table: 389
Transit-only ASes present in the Internet Routing Table: 65
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 16
Max AS path prepend of ASN (211089) 11
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 37255
Number of 32-bit ASNs visible in the Routing Table: 602
Prefixes from 32-bit ASNs in the Routing Table: 1787
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 6
Number of addresses announced to Internet: 268922199
Equivalent to 16 /8s, 7 /16s and 109 /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: 2518
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5049
Total APNIC prefixes after maximum aggregation: 2381
APNIC Deaggregation factor: 2.12
Prefixes being announced from the APNIC address blocks: 5025
Unique aggregates announced from the APNIC address blocks: 2702
APNIC Region origin ASes present in the Internet Routing Table: 569
APNIC Prefixes per ASN: 8.83
APNIC Region origin ASes announcing only one prefix: 236
APNIC Region transit ASes present in the Internet Routing Table: 63
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: 213
Number of APNIC addresses announced to Internet: 46911084
Equivalent to 2 /8s, 203 /16s and 206 /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: 9537
Total ARIN prefixes after maximum aggregation: 5180
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 9539
Unique aggregates announced from the ARIN address blocks: 5869
ARIN Region origin ASes present in the Internet Routing Table: 1242
ARIN Prefixes per ASN: 7.68
ARIN Region origin ASes announcing only one prefix: 443
ARIN Region transit ASes present in the Internet Routing Table: 163
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 160
Number of ARIN addresses announced to Internet: 154819809
Equivalent to 9 /8s, 58 /16s and 92 /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: 3459
Total RIPE prefixes after maximum aggregation: 2783
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3483
Unique aggregates announced from the RIPE address blocks: 2821
RIPE Region origin ASes present in the Internet Routing Table: 678
RIPE Prefixes per ASN: 5.14
RIPE Region origin ASes announcing only one prefix: 324
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 130
Number of RIPE addresses announced to Internet: 59660234
Equivalent to 3 /8s, 142 /16s and 87 /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: 1497
Total LACNIC prefixes after maximum aggregation: 590
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1496
Unique aggregates announced from the LACNIC address blocks: 817
LACNIC Region origin ASes present in the Internet Routing Table: 174
LACNIC Prefixes per ASN: 8.60
LACNIC Region origin ASes announcing only one prefix: 66
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 72
Number of LACNIC addresses announced to Internet: 4713024
Equivalent to 0 /8s, 71 /16s and 234 /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: 914
Total AfriNIC prefixes after maximum aggregation: 187
AfriNIC Deaggregation factor: 4.89
Prefixes being announced from the AfriNIC address blocks: 918
Unique aggregates announced from the AfriNIC address blocks: 299
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 18.36
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: 4.1
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2816512
Equivalent to 0 /8s, 42 /16s and 250 /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 623 2156 454 SINET-AS Research Organization of Infor
7497 420 182 24 CSTNET-AS-AP Computer Network Informati
58647 198 18 2 KAGAWAU-AS Kagawa University, JP
1237 192 74 135 KREONET-AS-KR KISTI, KR
7575 174 329 121 AARNET-AS-AP Australian Academic and Re
4538 172 4192 72 ERX-CERNET-BKB China Education and Rese
9264 134 17 3 ASNET Academia Sinica, TW
55824 129 19 23 NKN-CORE-NW NKN Core Network, IN
45102 92 186 50 CNNIC-ALIBABA-US-NET-AP Alibaba US Tech
4621 81 37 10 UNINET-AS-AP UNINET-, TH
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 750 3282 67 GOOGLE, US
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 208 694 179 DNIC-AS-00668, US
8075 205 11189 184 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 195 16 1 UPRENET, PR
6939 170 121 121 HURRICANE, US
2152 161 507 89 CSUNET-NW, US
18558 137 18 4 NETBLK-RCOEK, US
270 119 329 88 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
680 275 1998 237 DFN Verein zur Foerderung eines Deutsch
786 186 1763 184 JANET Jisc Services Limited, GB
8895 173 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 61 32 58 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 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 58 102 38 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
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR
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 343 319 74 TENET-1, ZA
327687 135 28 3 RENU, UG
36914 102 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 55 48 4 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
37215 32 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/KREONet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
15169 750 3282 67 GOOGLE, US
2907 623 2156 454 SINET-AS Research Organization of Infor
7497 420 182 24 CSTNET-AS-AP Computer Network Informati
2018 343 319 74 TENET-1, ZA
680 275 1998 237 DFN Verein zur Foerderung eines Deutsch
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 208 694 179 DNIC-AS-00668, US
8075 205 11189 184 MICROSOFT-CORP-MSN-AS-BLOCK, US
1916 204 207 42 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 420 396 CSTNET-AS-AP Computer Network Information Cente
2018 343 269 TENET-1, ZA
7896 241 234 NU-AS, US
58647 198 196 KAGAWAU-AS Kagawa University, JP
5786 195 194 UPRENET, PR
2907 623 169 SINET-AS Research Organization of Information a
8895 173 169 ISU Internet Services Unit ISU, SA
1916 204 162 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/KREONet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
19658 UNALLOCATED 65.205.131.0/24 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
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
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, 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,
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
172.16.150.0/24 Origin: 9489 KARINET-AS Korea Aerospace Research Inst
172.16.150.0/24 Transit: 1237 KREONET-AS-KR KISTI, KR
172.16.160.0/24 Origin: 9489 KARINET-AS Korea Aerospace Research Inst
172.16.160.0/24 Transit: 1237 KREONET-AS-KR KISTI, KR
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: 17579 KREONET2-AS-KR KISTI, KR
192.107.242.0/24 Origin: 394784 UNASSIGNED
192.107.242.0/24 Transit: 40831 PHS, US
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 /15:148 /16:2174 /17:420 /18:469
/19:704 /20:923 /21:946 /22:1479 /23:1601 /24:11120
/25:81 /26:66 /27:60 /28:38 /29:32 /30:19
/31:0 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 275 750 GOOGLE, US
8895 168 173 ISU Internet Services Unit ISU, SA
36914 89 102 KENET-AS, KE
6939 68 170 HURRICANE, US
23024 53 114 OCDE, US
58647 34 198 KAGAWAU-AS Kagawa University, JP
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/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 5:17 6:4 8:4 12:1 13:1
14:84 18:41 23:15 24:6 31:6 35:1
37:6 38:9 40:1 41:151 42:13 44:5
45:70 46:7 47:7 49:10 50:4 52:2
58:4 59:20 60:4 61:3 62:7 63:38
64:84 65:8 66:59 67:45 68:8 69:21
70:9 71:1 72:25 74:83 76:33 77:6
78:3 79:10 80:18 81:29 82:4 83:7
84:9 85:35 86:9 87:1 88:1 89:10
91:48 92:1 93:19 94:4 95:5 96:5
97:1 98:2 101:1 102:12 103:311 104:79
106:1 107:16 108:43 109:8 110:5 111:21
112:4 113:1 114:23 116:5 117:61 118:32
119:18 121:27 122:8 123:8 124:37 125:7
128:81 129:173 130:95 131:94 132:61 133:138
134:101 136:188 137:140 138:8 139:5 140:177
141:2 142:160 143:39 144:54 146:125 147:61
148:160 149:13 150:41 151:6 152:77 153:11
154:24 155:51 156:66 157:20 158:45 159:116
160:25 161:22 162:23 163:64 164:40 165:54
166:2 167:17 168:131 169:10 170:67 171:1
172:93 173:86 175:31 176:8 177:10 178:1
179:11 180:21 181:11 182:6 184:5 185:45
186:3 187:18 188:12 189:3 190:48 191:36
192:1455 193:254 194:144 195:93 196:179 197:5
198:544 199:287 200:253 201:39 202:620 203:427
204:368 205:180 206:191 207:176 208:72 209:135
210:183 211:14 212:170 213:4 214:7 216:128
217:15 218:25 219:14 220:16 222:5 223:4
End of report
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