[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Seattle) R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 25 21:00:56 UTC 2021
Global R&E Routing Table Report 21:00 GMT Sun 25 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Seattle/
Analysis Summary
----------------
BGP routing table entries examined: 17659
Prefixes after maximum aggregation (per Origin AS): 9826
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 11097
Total ASes present in the Internet Routing Table: 2608
Prefixes per ASN: 6.77
Origin-only ASes present in the Internet Routing Table: 2225
Origin ASes announcing only one prefix: 1031
Transit ASes present in the Internet Routing Table: 383
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 4.5
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: 545
Prefixes from 32-bit ASNs in the Routing Table: 1597
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 5
Number of addresses announced to Internet: 199060736
Equivalent to 11 /8s, 221 /16s and 109 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 5.4
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: 1906
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4227
Total APNIC prefixes after maximum aggregation: 1984
APNIC Deaggregation factor: 2.13
Prefixes being announced from the APNIC address blocks: 4211
Unique aggregates announced from the APNIC address blocks: 2271
APNIC Region origin ASes present in the Internet Routing Table: 481
APNIC Prefixes per ASN: 8.75
APNIC Region origin ASes announcing only one prefix: 192
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 169
Number of APNIC addresses announced to Internet: 41712384
Equivalent to 2 /8s, 124 /16s and 123 /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: 7682
Total ARIN prefixes after maximum aggregation: 4364
ARIN Deaggregation factor: 1.76
Prefixes being announced from the ARIN address blocks: 7720
Unique aggregates announced from the ARIN address blocks: 4978
ARIN Region origin ASes present in the Internet Routing Table: 1160
ARIN Prefixes per ASN: 6.66
ARIN Region origin ASes announcing only one prefix: 425
ARIN Region transit ASes present in the Internet Routing Table: 156
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: 145
Number of ARIN addresses announced to Internet: 92883712
Equivalent to 5 /8s, 137 /16s and 75 /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: 3298
Total RIPE prefixes after maximum aggregation: 2684
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3297
Unique aggregates announced from the RIPE address blocks: 2725
RIPE Region origin ASes present in the Internet Routing Table: 666
RIPE Prefixes per ASN: 4.95
RIPE Region origin ASes announcing only one prefix: 323
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 4.6
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: 57556224
Equivalent to 3 /8s, 110 /16s and 61 /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: 1543
Total LACNIC prefixes after maximum aggregation: 589
LACNIC Deaggregation factor: 2.62
Prefixes being announced from the LACNIC address blocks: 1541
Unique aggregates announced from the LACNIC address blocks: 817
LACNIC Region origin ASes present in the Internet Routing Table: 176
LACNIC Prefixes per ASN: 8.76
LACNIC Region origin ASes announcing only one prefix: 68
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: 4216320
Equivalent to 0 /8s, 64 /16s and 86 /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: 885
Unique aggregates announced from the AfriNIC address blocks: 301
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 18.06
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: 2686976
Equivalent to 0 /8s, 41 /16s and 0 /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 607 2155 455 UNALLOCATED
7497 436 214 25 UNALLOCATED
1237 189 75 137 UNALLOCATED
58647 164 18 2 UNALLOCATED
55824 129 19 23 UNALLOCATED
4538 124 4192 72 UNALLOCATED
4621 81 37 10 UNALLOCATED
4762 65 4 1 UNALLOCATED
23570 59 5 11 UNALLOCATED
24151 56 4 21 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 246 51 7 UNALLOCATED
376 234 180 158 UNALLOCATED
668 209 702 180 UNALLOCATED
5786 201 16 1 UNALLOCATED
2152 154 507 87 UNALLOCATED
18558 137 18 4 UNALLOCATED
2920 109 34 6 UNALLOCATED
21976 86 51 18 UNALLOCATED
1736 80 16 1 UNALLOCATED
3 78 528 13 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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 141 24 4 UNALLOCATED
559 116 550 107 UNALLOCATED
1103 98 1520 85 UNALLOCATED
137 82 677 77 UNALLOCATED
553 72 449 72 UNALLOCATED
2200 66 647 61 UNALLOCATED
2614 62 32 59 UNALLOCATED
1930 57 81 52 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 178 207 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
4270 44 16 1 UNALLOCATED
19611 44 17 2 UNALLOCATED
61468 41 3 15 UNALLOCATED
28614 38 2 2 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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/AARNET-Seattle/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 607 2155 455 UNALLOCATED
7497 436 214 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
5786 201 16 1 UNALLOCATED
1237 189 75 137 UNALLOCATED
786 187 1779 185 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 436 411 UNALLOCATED
2018 329 255 UNALLOCATED
7896 246 239 UNALLOCATED
5786 201 200 UNALLOCATED
58647 164 162 UNALLOCATED
1916 178 137 UNALLOCATED
8895 141 137 UNALLOCATED
18558 137 133 UNALLOCATED
327687 134 131 UNALLOCATED
55824 129 106 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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/AARNET-Seattle/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.240.0/20 Origin: 328439 UNALLOCATED
Transit: 327992 UNALLOCATED
192.31.196.0/24 Origin: 112 UNALLOCATED
Transit: 1103 UNALLOCATED
192.88.99.0/24 Origin: 1103 UNALLOCATED
Transit: 11537 UNALLOCATED
192.107.242.0/24 Origin: 394784 UNALLOCATED
Transit: 40831 UNALLOCATED
205.166.145.0/24 Origin: 394784 UNALLOCATED
Transit: 40831 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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 /14:35 /15:117 /16:1930 /17:372 /18:416
/19:562 /20:849 /21:878 /22:1364 /23:1457 /24:9647
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 136 141 UNALLOCATED
27884 90 93 UNALLOCATED
36914 82 95 UNALLOCATED
23024 53 56 UNALLOCATED
28614 32 38 UNALLOCATED
25977 31 45 UNALLOCATED
327700 31 37 UNALLOCATED
263282 30 37 UNALLOCATED
27609 29 45 UNALLOCATED
32440 29 44 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 5:15 6:4 8:2 12:1 14:84
18:41 23:7 24:6 31:6 37:6 38:9
40:1 41:137 42:26 44:5 45:63 46:7
47:9 49:10 50:1 52:1 58:1 59:20
60:4 61:4 62:7 63:34 64:46 65:1
66:36 67:44 68:8 69:17 71:1 72:14
74:19 76:32 77:6 78:3 79:10 80:14
81:32 82:4 83:7 84:6 85:33 86:9
87:1 88:1 89:10 91:45 92:1 93:12
94:4 95:5 96:5 97:1 98:2 101:2
102:9 103:240 104:11 106:1 108:8 109:8
110:3 111:20 112:4 114:23 115:1 116:4
117:61 118:35 119:19 121:29 122:8 123:8
124:42 125:13 128:50 129:171 130:90 131:93
132:54 133:137 134:93 136:192 137:145 138:1
139:5 140:48 141:2 142:43 143:35 144:54
146:123 147:66 148:159 149:13 150:35 151:6
152:71 153:11 154:24 155:46 156:61 157:25
158:44 159:117 160:25 161:17 162:20 163:65
164:40 165:16 166:1 167:16 168:130 169:10
170:51 171:1 172:2 173:2 175:32 176:8
177:8 178:1 179:12 180:16 181:11 182:4
184:6 185:40 186:3 187:18 188:13 189:6
190:138 191:35 192:1283 193:240 194:127 195:84
196:169 197:4 198:460 199:263 200:256 201:39
202:616 203:278 204:349 205:164 206:180 207:171
208:54 209:113 210:190 211:14 212:168 213:4
214:7 216:79 217:16 218:26 219:8 220:24
222:4 223:2
End of report
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