[REN-BGP-stats-all] Global R&E Routing Table Report - KREONet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Aug 25 20:15:58 UTC 2021
Global R&E Routing Table Report 20:15 GMT Wed 25 Aug, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 20343
Prefixes after maximum aggregation (per Origin AS): 11105
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 12488
Total ASes present in the Internet Routing Table: 2794
Prefixes per ASN: 7.28
Origin-only ASes present in the Internet Routing Table: 2391
Origin ASes announcing only one prefix: 1094
Transit ASes present in the Internet Routing Table: 403
Transit-only ASes present in the Internet Routing Table: 79
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: 23
Number of instances of unregistered ASNs: 23
Number of 32-bit ASNs allocated by the RIRs: 37002
Number of 32-bit ASNs visible in the Routing Table: 603
Prefixes from 32-bit ASNs in the Routing Table: 1781
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: 7
Number of addresses announced to Internet: 269204695
Equivalent to 16 /8s, 11 /16s and 188 /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: 2492
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5018
Total APNIC prefixes after maximum aggregation: 2413
APNIC Deaggregation factor: 2.08
Prefixes being announced from the APNIC address blocks: 4978
Unique aggregates announced from the APNIC address blocks: 2741
APNIC Region origin ASes present in the Internet Routing Table: 571
APNIC Prefixes per ASN: 8.72
APNIC Region origin ASes announcing only one prefix: 236
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 214
Number of APNIC addresses announced to Internet: 47016556
Equivalent to 2 /8s, 205 /16s and 106 /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: 9553
Total ARIN prefixes after maximum aggregation: 5180
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 9577
Unique aggregates announced from the ARIN address blocks: 5899
ARIN Region origin ASes present in the Internet Routing Table: 1247
ARIN Prefixes per ASN: 7.68
ARIN Region origin ASes announcing only one prefix: 447
ARIN Region transit ASes present in the Internet Routing Table: 164
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: 163
Number of ARIN addresses announced to Internet: 154949537
Equivalent to 9 /8s, 60 /16s and 87 /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: 3429
Total RIPE prefixes after maximum aggregation: 2750
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3458
Unique aggregates announced from the RIPE address blocks: 2797
RIPE Region origin ASes present in the Internet Routing Table: 669
RIPE Prefixes per ASN: 5.17
RIPE Region origin ASes announcing only one prefix: 320
RIPE Region transit ASes present in the Internet Routing Table: 109
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: 128
Number of RIPE addresses announced to Internet: 59658890
Equivalent to 3 /8s, 142 /16s and 82 /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: 1484
Total LACNIC prefixes after maximum aggregation: 588
LACNIC Deaggregation factor: 2.52
Prefixes being announced from the LACNIC address blocks: 1483
Unique aggregates announced from the LACNIC address blocks: 814
LACNIC Region origin ASes present in the Internet Routing Table: 176
LACNIC Prefixes per ASN: 8.43
LACNIC Region origin ASes announcing only one prefix: 70
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 75
Number of LACNIC addresses announced to Internet: 4711744
Equivalent to 0 /8s, 71 /16s and 229 /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: 836
Total AfriNIC prefixes after maximum aggregation: 157
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 840
Unique aggregates announced from the AfriNIC address blocks: 230
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 17.87
AfriNIC Region origin ASes announcing only one prefix: 21
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: 23
Number of AfriNIC addresses announced to Internet: 2800896
Equivalent to 0 /8s, 42 /16s and 189 /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 434 214 25 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 180 330 126 AARNET-AS-AP Australian Academic and Re
4538 169 4192 72 ERX-CERNET-BKB China Education and Rese
55824 129 19 23 NKN-CORE-NW NKN Core Network, IN
45102 103 202 54 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 748 3282 68 GOOGLE, US
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 201 16 1 UPRENET, PR
6939 171 121 122 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
680 274 1997 236 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
559 116 550 107 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 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 337 319 74 TENET-1, ZA
327687 136 28 3 RENU, UG
36914 98 82 3 KENET-AS, KE
8094 55 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
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 748 3282 68 GOOGLE, US
2907 631 2156 457 SINET-AS Research Organization of Infor
7497 434 214 25 CSTNET-AS-AP Computer Network Informati
2018 337 319 74 TENET-1, ZA
680 274 1997 236 DFN Verein zur Foerderung eines Deutsch
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 210 702 181 DNIC-AS-00668, US
8075 206 11189 185 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 434 409 CSTNET-AS-AP Computer Network Information Cente
2018 337 263 TENET-1, ZA
7896 241 234 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 204 162 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/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
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
172.30.0.0/16 Origin: 9489 KARINET-AS Korea Aerospace Research Inst
172.30.0.0/16 Transit: 1237 KREONET-AS-KR KISTI, KR
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 7500 M-ROOT-DNS WIDE Project, JP
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
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 /16:2173 /17:425 /18:464
/19:720 /20:937 /21:954 /22:1460 /23:1596 /24:10997
/25:75 /26:64 /27:54 /28:37 /29:32 /30:19
/31:0 /32:31
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 275 748 GOOGLE, US
8895 168 173 ISU Internet Services Unit ISU, SA
36914 85 98 KENET-AS, KE
6939 69 171 HURRICANE, US
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
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 23:14 24:6 31:6 35:1
37:6 38:9 40:1 41:147 42:30 44:5
45:68 46:7 47:11 49:10 50:4 52:2
58:4 59:20 60:4 61:3 62:6 63:38
64:84 65:8 66:61 67:45 68:8 69:21
70:9 71:1 72:24 74:83 76:33 77:6
78:3 79:10 80:14 81:30 82:4 83:7
84:9 85:34 86:9 87:1 88:1 89:10
91:46 92:1 93:19 94:4 95:5 96:5
97:1 98:2 101:3 102:9 103:306 104:84
106:1 107:16 108:43 109:8 110:5 111:21
112:4 113:1 114:23 116:5 117:61 118:32
119:19 121:27 122:8 123:8 124:42 125:13
128:81 129:174 130:95 131:101 132:60 133:138
134:101 136:194 137:142 138:10 139:5 140:53
141:2 142:157 143:39 144:54 146:125 147:69
148:160 149:13 150:41 151:6 152:77 153:11
154:24 155:50 156:66 157:25 158:45 159:117
160:25 161:22 162:23 163:65 164:38 165:54
166:1 167:17 168:131 169:10 170:67 171:1
172:93 173:86 175:32 176:8 177:10 178:1
179:12 180:21 181:11 182:6 184:8 185:42
186:3 187:18 188:12 189:6 190:48 191:36
192:1460 193:210 194:140 195:67 196:175 197:5
198:542 199:288 200:257 201:39 202:632 203:439
204:369 205:180 206:191 207:176 208:74 209:131
210:184 211:14 212:168 213:4 214:7 216:128
217:15 218:26 219:14 220:16 222:4 223:4
End of report
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