[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Brisbane) R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 25 21:10:56 UTC 2021
Global R&E Routing Table Report 21:10 GMT Sun 25 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/
Analysis Summary
----------------
BGP routing table entries examined: 16767
Prefixes after maximum aggregation (per Origin AS): 9692
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 10983
Total ASes present in the Internet Routing Table: 2478
Prefixes per ASN: 6.77
Origin-only ASes present in the Internet Routing Table: 2106
Origin ASes announcing only one prefix: 963
Transit ASes present in the Internet Routing Table: 372
Transit-only ASes present in the Internet Routing Table: 70
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 16
Max AS path prepend of ASN (207352) 12
Prefixes from unregistered ASNs in the Routing Table: 12
Number of instances of unregistered ASNs: 12
Number of 32-bit ASNs allocated by the RIRs: 36704
Number of 32-bit ASNs visible in the Routing Table: 509
Prefixes from 32-bit ASNs in the Routing Table: 1503
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 3
Number of addresses announced to Internet: 197545984
Equivalent to 11 /8s, 198 /16s and 80 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 1792
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3781
Total APNIC prefixes after maximum aggregation: 1896
APNIC Deaggregation factor: 1.99
Prefixes being announced from the APNIC address blocks: 3780
Unique aggregates announced from the APNIC address blocks: 2181
APNIC Region origin ASes present in the Internet Routing Table: 433
APNIC Prefixes per ASN: 8.73
APNIC Region origin ASes announcing only one prefix: 173
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 147
Number of APNIC addresses announced to Internet: 41296384
Equivalent to 2 /8s, 118 /16s and 34 /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: 7249
Total ARIN prefixes after maximum aggregation: 4282
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 7256
Unique aggregates announced from the ARIN address blocks: 4874
ARIN Region origin ASes present in the Internet Routing Table: 1085
ARIN Prefixes per ASN: 6.69
ARIN Region origin ASes announcing only one prefix: 381
ARIN Region transit ASes present in the Internet Routing Table: 150
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 138
Number of ARIN addresses announced to Internet: 91280128
Equivalent to 5 /8s, 112 /16s and 211 /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: 3343
Total RIPE prefixes after maximum aggregation: 2730
RIPE Deaggregation factor: 1.22
Prefixes being announced from the RIPE address blocks: 3348
Unique aggregates announced from the RIPE address blocks: 2748
RIPE Region origin ASes present in the Internet Routing Table: 664
RIPE Prefixes per ASN: 5.04
RIPE Region origin ASes announcing only one prefix: 318
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 128
Number of RIPE addresses announced to Internet: 58109184
Equivalent to 3 /8s, 118 /16s and 173 /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: 1501
Total LACNIC prefixes after maximum aggregation: 591
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1499
Unique aggregates announced from the LACNIC address blocks: 876
LACNIC Region origin ASes present in the Internet Routing Table: 173
LACNIC Prefixes per ASN: 8.66
LACNIC Region origin ASes announcing only one prefix: 69
LACNIC Region transit ASes present in the Internet Routing Table: 26
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: 71
Number of LACNIC addresses announced to Internet: 4201472
Equivalent to 0 /8s, 64 /16s and 28 /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: 881
Total AfriNIC prefixes after maximum aggregation: 186
AfriNIC Deaggregation factor: 4.74
Prefixes being announced from the AfriNIC address blocks: 881
Unique aggregates announced from the AfriNIC address blocks: 301
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 18.35
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 11
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: 25
Number of AfriNIC addresses announced to Internet: 2654208
Equivalent to 0 /8s, 40 /16s and 128 /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
23570 59 5 11 UNALLOCATED
1659 56 1450 34 UNALLOCATED
2697 55 3 31 UNALLOCATED
24151 54 4 19 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 234 180 158 UNALLOCATED
668 209 702 180 UNALLOCATED
5786 201 16 1 UNALLOCATED
2152 159 507 91 UNALLOCATED
18558 137 18 4 UNALLOCATED
270 114 289 84 UNALLOCATED
23024 113 7 20 UNALLOCATED
2920 109 34 6 UNALLOCATED
21976 86 51 18 UNALLOCATED
1736 80 16 1 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET/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 97 1520 84 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/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 90 6 18 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/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
37182 11 8 1 UNALLOCATED
37501 11 49 6 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET/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
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
1916 178 207 41 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 436 411 UNALLOCATED
2018 329 255 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
2920 109 103 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
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
14822 UNALLOCATED 140.163.70.0/24 10466 UNALLOCATED
14822 UNALLOCATED 140.163.128.0/17 10466 UNALLOCATED
22063 UNALLOCATED 153.10.0.0/16 2152 UNALLOCATED
328439 UNALLOCATED 164.160.240.0/20 327992 UNALLOCATED
394784 UNALLOCATED 192.107.242.0/24 40831 UNALLOCATED
394784 UNALLOCATED 205.166.145.0/24 40831 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.240.0/20 Origin: 328439 UNALLOCATED
Transit: 327992 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/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 /14:37 /15:116 /16:1907 /17:368 /18:404
/19:531 /20:823 /21:848 /22:1303 /23:1383 /24:9015
/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 90 UNALLOCATED
36914 82 95 UNALLOCATED
23024 53 113 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/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 24:3 31:6 37:6 38:9
41:137 42:26 44:5 45:53 46:7 47:5
49:10 50:2 52:1 58:1 59:11 60:4
61:4 62:7 63:33 64:28 66:50 67:44
68:8 69:17 72:13 74:18 76:33 77:6
78:3 79:10 80:14 81:30 82:4 83:7
84:8 85:33 86:9 87:1 88:1 89:10
91:46 92:1 93:12 94:4 95:5 96:5
97:1 98:2 101:2 102:9 103:216 104:69
106:1 107:1 108:6 109:8 110:3 111:16
112:4 114:23 115:1 116:4 117:61 118:20
119:19 121:29 122:8 124:42 125:11 128:50
129:32 130:90 131:88 132:51 133:137 134:93
136:193 137:125 138:1 139:5 140:50 141:2
142:40 143:35 144:27 146:122 147:41 148:159
149:13 150:35 151:6 152:74 153:11 154:24
155:46 156:61 157:25 158:44 159:117 160:25
161:17 162:30 163:65 164:40 165:16 166:1
167:16 168:126 169:10 170:48 171:1 172:2
173:6 175:32 176:8 177:8 178:1 179:12
180:16 181:1 182:5 184:5 185:39 186:3
187:18 188:13 189:6 190:134 191:31 192:1298
193:251 194:137 195:93 196:169 197:4 198:434
199:248 200:256 201:39 202:409 203:178 204:338
205:151 206:171 207:173 208:54 209:104 210:190
211:14 212:167 213:4 214:7 216:49 217:16
218:26 219:8 220:24 222:4 223:2
End of report
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