[REN-BGP-stats-all] Global R&E Routing Table Report - KREONet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 25 20:15:57 UTC 2021
Global R&E Routing Table Report 20:15 GMT Sun 25 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 20321
Prefixes after maximum aggregation (per Origin AS): 11058
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 12484
Total ASes present in the Internet Routing Table: 2768
Prefixes per ASN: 7.34
Origin-only ASes present in the Internet Routing Table: 2368
Origin ASes announcing only one prefix: 1086
Transit ASes present in the Internet Routing Table: 400
Transit-only ASes present in the Internet Routing Table: 75
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 17
Max AS path prepend of ASN (207352) 12
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: 36704
Number of 32-bit ASNs visible in the Routing Table: 596
Prefixes from 32-bit ASNs in the Routing Table: 1731
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: 268260567
Equivalent to 15 /8s, 253 /16s and 84 /24s
Percentage of available address space announced: 7.2
Percentage of allocated address space announced: 7.2
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: 2563
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4986
Total APNIC prefixes after maximum aggregation: 2431
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4945
Unique aggregates announced from the APNIC address blocks: 2766
APNIC Region origin ASes present in the Internet Routing Table: 573
APNIC Prefixes per ASN: 8.63
APNIC Region origin ASes announcing only one prefix: 240
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: 213
Number of APNIC addresses announced to Internet: 47150700
Equivalent to 2 /8s, 207 /16s and 118 /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: 9405
Total ARIN prefixes after maximum aggregation: 5065
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 9422
Unique aggregates announced from the ARIN address blocks: 5773
ARIN Region origin ASes present in the Internet Routing Table: 1211
ARIN Prefixes per ASN: 7.78
ARIN Region origin ASes announcing only one prefix: 432
ARIN Region transit ASes present in the Internet Routing Table: 161
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: 152
Number of ARIN addresses announced to Internet: 153732257
Equivalent to 9 /8s, 41 /16s and 196 /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: 3442
Total RIPE prefixes after maximum aggregation: 2764
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3479
Unique aggregates announced from the RIPE address blocks: 2810
RIPE Region origin ASes present in the Internet Routing Table: 677
RIPE Prefixes per ASN: 5.14
RIPE Region origin ASes announcing only one prefix: 322
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: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 131
Number of RIPE addresses announced to Internet: 59745162
Equivalent to 3 /8s, 143 /16s and 163 /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: 1579
Total LACNIC prefixes after maximum aggregation: 593
LACNIC Deaggregation factor: 2.66
Prefixes being announced from the LACNIC address blocks: 1578
Unique aggregates announced from the LACNIC address blocks: 822
LACNIC Region origin ASes present in the Internet Routing Table: 177
LACNIC Prefixes per ASN: 8.92
LACNIC Region origin ASes announcing only one prefix: 69
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: 74
Number of LACNIC addresses announced to Internet: 4740928
Equivalent to 0 /8s, 72 /16s and 87 /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: 885
Total AfriNIC prefixes after maximum aggregation: 187
AfriNIC Deaggregation factor: 4.73
Prefixes being announced from the AfriNIC address blocks: 889
Unique aggregates announced from the AfriNIC address blocks: 305
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 18.14
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: 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 630 2155 456 UNALLOCATED
7497 435 214 25 UNALLOCATED
58647 198 18 2 UNALLOCATED
1237 195 75 137 UNALLOCATED
7575 179 330 125 UNALLOCATED
4538 168 4192 72 UNALLOCATED
55824 129 19 23 UNALLOCATED
45102 100 202 53 UNALLOCATED
4621 81 37 10 UNALLOCATED
4762 65 4 1 UNALLOCATED
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 UNALLOCATED
7896 246 51 7 UNALLOCATED
376 234 180 158 UNALLOCATED
668 209 702 180 UNALLOCATED
8075 205 11189 184 UNALLOCATED
5786 201 16 1 UNALLOCATED
6939 170 121 123 UNALLOCATED
2152 160 507 91 UNALLOCATED
18558 137 18 4 UNALLOCATED
270 117 297 87 UNALLOCATED
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 UNALLOCATED
786 187 1779 185 UNALLOCATED
8895 173 24 4 UNALLOCATED
559 116 550 107 UNALLOCATED
1103 98 1520 85 UNALLOCATED
137 82 677 77 UNALLOCATED
553 72 449 72 UNALLOCATED
2200 67 647 61 UNALLOCATED
2614 62 32 59 UNALLOCATED
1930 57 81 52 UNALLOCATED
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 UNALLOCATED
28391 152 10 66 UNALLOCATED
11340 94 24 54 UNALLOCATED
27884 93 6 2 UNALLOCATED
1251 65 37 20 UNALLOCATED
2715 60 102 40 UNALLOCATED
61468 45 3 15 UNALLOCATED
4270 44 16 1 UNALLOCATED
19611 44 17 2 UNALLOCATED
28614 38 2 2 UNALLOCATED
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 UNALLOCATED
327687 134 28 3 UNALLOCATED
36914 95 82 3 UNALLOCATED
2561 75 5 33 UNALLOCATED
8094 55 48 4 UNALLOCATED
327700 37 16 1 UNALLOCATED
37215 30 8 1 UNALLOCATED
6879 24 2 9 UNALLOCATED
37074 11 8 2 UNALLOCATED
37182 11 8 1 UNALLOCATED
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 UNALLOCATED
2907 630 2155 456 UNALLOCATED
7497 435 214 25 UNALLOCATED
2018 329 319 74 UNALLOCATED
680 273 1996 235 UNALLOCATED
7896 246 51 7 UNALLOCATED
376 234 180 158 UNALLOCATED
668 209 702 180 UNALLOCATED
8075 205 11189 184 UNALLOCATED
1916 202 207 41 UNALLOCATED
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 UNALLOCATED
2018 329 255 UNALLOCATED
7896 246 239 UNALLOCATED
5786 201 200 UNALLOCATED
58647 198 196 UNALLOCATED
2907 630 174 UNALLOCATED
8895 173 169 UNALLOCATED
1916 202 161 UNALLOCATED
18558 137 133 UNALLOCATED
327687 134 131 UNALLOCATED
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 UNALLOCATED
19658 UNALLOCATED 65.205.131.0/24 11096 UNALLOCATED
36843 UNALLOCATED 108.59.20.0/24 11096 UNALLOCATED
36843 UNALLOCATED 108.59.23.0/24 11096 UNALLOCATED
36843 UNALLOCATED 131.91.183.0/24 11096 UNALLOCATED
36843 UNALLOCATED 131.91.252.0/22 11096 UNALLOCATED
14822 UNALLOCATED 140.163.0.0/16 10466 UNALLOCATED
14822 UNALLOCATED 140.163.0.0/17 10466 UNALLOCATED
14822 UNALLOCATED 140.163.6.0/24 10466 UNALLOCATED
14822 UNALLOCATED 140.163.64.0/24 10466 UNALLOCATED
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 UNALLOCATED
172.16.160.0/24 9489 UNALLOCATED
172.30.0.0/16 9489 UNALLOCATED
192.88.99.0/24 1103 UNALLOCATED
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 UNALLOCATED
Transit: 327992 UNALLOCATED
172.16.150.0/24 Origin: 9489 UNALLOCATED
Transit: 1237 UNALLOCATED
172.16.160.0/24 Origin: 9489 UNALLOCATED
Transit: 1237 UNALLOCATED
172.30.0.0/16 Origin: 9489 UNALLOCATED
Transit: 1237 UNALLOCATED
192.31.196.0/24 Origin: 112 UNALLOCATED
Transit: 7500 UNALLOCATED
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 /16:2161 /17:420 /18:458
/19:719 /20:916 /21:945 /22:1464 /23:1575 /24:11038
/25:83 /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 275 745 UNALLOCATED
8895 168 173 UNALLOCATED
27884 90 93 UNALLOCATED
36914 82 95 UNALLOCATED
6939 69 170 UNALLOCATED
23024 53 113 UNALLOCATED
58647 34 198 UNALLOCATED
28614 32 38 UNALLOCATED
25977 31 45 UNALLOCATED
327700 31 37 UNALLOCATED
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 41:137 42:31 44:5
45:72 46:7 47:11 49:10 50:4 52:2
58:4 59:20 60:4 61:4 62:7 63:38
64:84 65:8 66:60 67:45 68:8 69:17
70:9 71:1 72:24 74:82 76:33 77:6
78:3 79:10 80:14 81:32 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 98:2 101:3 102:9 103:306 104:74
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
125:13 128:81 129:171 130:93 131:102 132:60
133:137 134:97 136:193 137:146 138:10 139:5
140:52 141:2 142:155 143:39 144:54 146:125
147:68 148:160 149:13 150:41 151:6 152:77
153:11 154:24 155:50 156:65 157:25 158:44
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
178:1 179:12 180:21 181:11 182:6 184:8
185:45 186:3 187:18 188:13 189:6 190:138
191:35 192:1438 193:254 194:145 195:94 196:169
197:4 198:528 199:275 200:256 201:39 202:634
203:439 204:365 205:172 206:190 207:177 208:70
209:131 210:190 211:14 212:168 213:4 214:7
216:127 217:16 218:26 219:14 220:24 222:4
223:4
End of report
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