[REN-BGP-stats-all] Global R&E Routing Table Report - UbuntuNet Alliance R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Jun 7 17:00:13 UTC 2021
Global R&E Routing Table Report 17:00 GMT Mon 07 Jun, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 17984
Prefixes after maximum aggregation (per Origin AS): 10171
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 11431
Total ASes present in the Internet Routing Table: 2694
Prefixes per ASN: 6.68
Origin-only ASes present in the Internet Routing Table: 2300
Origin ASes announcing only one prefix: 1081
Transit ASes present in the Internet Routing Table: 394
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 16
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 16
Number of instances of unregistered ASNs: 16
Number of 32-bit ASNs allocated by the RIRs: 36257
Number of 32-bit ASNs visible in the Routing Table: 578
Prefixes from 32-bit ASNs in the Routing Table: 1671
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: 3
Number of addresses announced to Internet: 203088896
Equivalent to 12 /8s, 26 /16s and 228 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
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: 2088
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4661
Total APNIC prefixes after maximum aggregation: 2340
APNIC Deaggregation factor: 1.99
Prefixes being announced from the APNIC address blocks: 4662
Unique aggregates announced from the APNIC address blocks: 2691
APNIC Region origin ASes present in the Internet Routing Table: 566
APNIC Prefixes per ASN: 8.24
APNIC Region origin ASes announcing only one prefix: 240
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 210
Number of APNIC addresses announced to Internet: 46377216
Equivalent to 2 /8s, 195 /16s and 169 /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: 7474
Total ARIN prefixes after maximum aggregation: 4346
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 7493
Unique aggregates announced from the ARIN address blocks: 4902
ARIN Region origin ASes present in the Internet Routing Table: 1171
ARIN Prefixes per ASN: 6.40
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 145
Number of ARIN addresses announced to Internet: 91974656
Equivalent to 5 /8s, 123 /16s and 108 /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: 3363
Total RIPE prefixes after maximum aggregation: 2744
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3356
Unique aggregates announced from the RIPE address blocks: 2741
RIPE Region origin ASes present in the Internet Routing Table: 670
RIPE Prefixes per ASN: 5.01
RIPE Region origin ASes announcing only one prefix: 321
RIPE Region transit ASes present in the Internet Routing Table: 111
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 127
Number of RIPE addresses announced to Internet: 58208256
Equivalent to 3 /8s, 120 /16s and 48 /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: 1270
Total LACNIC prefixes after maximum aggregation: 538
LACNIC Deaggregation factor: 2.36
Prefixes being announced from the LACNIC address blocks: 1270
Unique aggregates announced from the LACNIC address blocks: 794
LACNIC Region origin ASes present in the Internet Routing Table: 168
LACNIC Prefixes per ASN: 7.56
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: 5.1
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: 3806208
Equivalent to 0 /8s, 58 /16s and 20 /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: 1200
Total AfriNIC prefixes after maximum aggregation: 188
AfriNIC Deaggregation factor: 6.38
Prefixes being announced from the AfriNIC address blocks: 1200
Unique aggregates announced from the AfriNIC address blocks: 300
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 25.53
AfriNIC Region origin ASes announcing only one prefix: 20
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 2.6
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2717952
Equivalent to 0 /8s, 41 /16s and 121 /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 427 212 24 UNALLOCATED
1237 188 75 137 UNALLOCATED
7575 180 331 127 UNALLOCATED
4538 168 4192 72 UNALLOCATED
58647 164 18 2 UNALLOCATED
55824 128 19 22 UNALLOCATED
4621 82 37 11 UNALLOCATED
23570 59 5 11 UNALLOCATED
24151 56 4 21 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 245 51 7 UNALLOCATED
376 235 180 158 UNALLOCATED
2152 158 507 91 UNALLOCATED
18558 137 18 4 UNALLOCATED
270 117 297 87 UNALLOCATED
2920 109 34 6 UNALLOCATED
21976 86 51 18 UNALLOCATED
1736 80 16 1 UNALLOCATED
3 78 528 13 UNALLOCATED
22742 67 52 31 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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 1787 185 UNALLOCATED
8895 140 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 56 82 51 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 179 207 40 UNALLOCATED
28391 152 10 66 UNALLOCATED
11340 94 24 54 UNALLOCATED
2715 60 102 40 UNALLOCATED
4270 44 16 1 UNALLOCATED
61468 41 3 15 UNALLOCATED
28614 38 2 2 UNALLOCATED
263282 37 5 12 UNALLOCATED
20191 31 16 1 UNALLOCATED
271640 27 8 1 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 415 82 3 UNALLOCATED
2018 324 319 74 UNALLOCATED
327687 136 28 3 UNALLOCATED
2561 74 5 34 UNALLOCATED
8094 55 48 4 UNALLOCATED
327700 39 16 1 UNALLOCATED
37215 29 8 1 UNALLOCATED
6879 24 2 9 UNALLOCATED
37074 11 8 2 UNALLOCATED
37501 11 49 6 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 607 2155 455 UNALLOCATED
7497 427 212 24 UNALLOCATED
36914 415 82 3 UNALLOCATED
2018 324 319 74 UNALLOCATED
680 273 1996 235 UNALLOCATED
7896 245 51 7 UNALLOCATED
376 235 180 158 UNALLOCATED
1237 188 75 137 UNALLOCATED
786 187 1787 185 UNALLOCATED
7575 180 331 127 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 415 412 UNALLOCATED
7497 427 403 UNALLOCATED
2018 324 250 UNALLOCATED
7896 245 238 UNALLOCATED
58647 164 162 UNALLOCATED
1916 179 139 UNALLOCATED
8895 140 136 UNALLOCATED
18558 137 133 UNALLOCATED
327687 136 133 UNALLOCATED
55824 128 106 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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
36843 UNALLOCATED 146.201.218.0/24 11096 UNALLOCATED
36843 UNALLOCATED 146.201.219.0/24 11096 UNALLOCATED
22063 UNALLOCATED 153.10.0.0/16 2152 UNALLOCATED
36843 UNALLOCATED 162.223.23.0/24 11096 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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/UbuntuNet/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
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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
/13:19 /14:36 /15:117 /16:1986 /17:375 /18:415
/19:572 /20:851 /21:867 /22:1381 /23:1450 /24:9901
/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
36914 389 415 UNALLOCATED
8895 135 140 UNALLOCATED
23024 53 56 UNALLOCATED
327700 33 39 UNALLOCATED
28614 32 38 UNALLOCATED
25977 31 45 UNALLOCATED
263282 30 37 UNALLOCATED
27609 29 45 UNALLOCATED
32440 29 44 UNALLOCATED
40326 29 33 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 8:2 12:1 14:84 18:41
23:5 24:6 31:6 37:6 38:9 40:1
41:239 42:31 44:5 45:54 46:7 47:1
49:10 50:1 52:1 58:4 59:20 60:4
61:4 62:7 63:34 64:46 65:1 66:38
67:43 68:8 69:17 71:1 72:11 74:19
76:32 77:5 78:3 79:10 80:14 81:32
82:4 83:8 84:9 85:34 86:9 87:1
88:1 89:10 91:46 92:1 93:12 94:4
95:4 96:5 97:1 98:2 100:1 101:3
102:9 103:288 104:14 106:1 108:8 109:8
110:3 111:19 112:4 114:23 115:1 116:5
117:63 118:35 119:18 121:27 122:8 123:8
124:40 125:13 128:79 129:173 130:91 131:90
132:56 133:137 134:91 136:2 137:146 138:11
139:4 140:33 141:2 142:43 143:28 144:53
146:125 147:62 148:159 149:13 150:36 151:5
152:72 153:11 154:24 155:47 156:64 157:25
158:45 159:115 160:26 161:17 162:17 163:61
164:40 165:14 166:1 167:15 168:124 169:9
170:50 171:1 172:1 173:2 175:32 176:8
177:5 178:1 179:12 180:21 181:11 182:5
184:8 185:41 186:3 187:17 188:13 189:6
190:44 191:30 192:1397 193:248 194:145 195:98
196:169 197:201 198:465 199:242 200:225 201:38
202:584 203:419 204:350 205:172 206:183 207:169
208:58 209:111 210:184 211:14 212:165 213:4
216:65 217:16 218:26 219:14 220:24 222:4
223:2
End of report
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