[REN-BGP-stats-all] Global R&E Routing Table Report - ASREN R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 25 17:05:58 UTC 2021
Global R&E Routing Table Report 17:05 GMT Sun 25 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/
Analysis Summary
----------------
BGP routing table entries examined: 14089
Prefixes after maximum aggregation (per Origin AS): 8312
Deaggregation factor: 1.70
Unique aggregates announced (without unneeded subnets): 9275
Total ASes present in the Internet Routing Table: 2119
Prefixes per ASN: 6.65
Origin-only ASes present in the Internet Routing Table: 1831
Origin ASes announcing only one prefix: 867
Transit ASes present in the Internet Routing Table: 288
Transit-only ASes present in the Internet Routing Table: 35
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 16
Max AS path prepend of ASN (207352) 12
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 36704
Number of 32-bit ASNs visible in the Routing Table: 458
Prefixes from 32-bit ASNs in the Routing Table: 1300
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: 1
Number of addresses announced to Internet: 176335712
Equivalent to 10 /8s, 130 /16s and 171 /24s
Percentage of available address space announced: 4.8
Percentage of allocated address space announced: 4.8
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: 1445
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3886
Total APNIC prefixes after maximum aggregation: 2057
APNIC Deaggregation factor: 1.89
Prefixes being announced from the APNIC address blocks: 3888
Unique aggregates announced from the APNIC address blocks: 2286
APNIC Region origin ASes present in the Internet Routing Table: 457
APNIC Prefixes per ASN: 8.51
APNIC Region origin ASes announcing only one prefix: 199
APNIC Region transit ASes present in the Internet Routing Table: 46
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 169
Number of APNIC addresses announced to Internet: 44798688
Equivalent to 2 /8s, 171 /16s and 146 /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: 5399
Total ARIN prefixes after maximum aggregation: 3200
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 5409
Unique aggregates announced from the ARIN address blocks: 3686
ARIN Region origin ASes present in the Internet Routing Table: 850
ARIN Prefixes per ASN: 6.36
ARIN Region origin ASes announcing only one prefix: 307
ARIN Region transit ASes present in the Internet Routing Table: 106
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 103
Number of ARIN addresses announced to Internet: 70531968
Equivalent to 4 /8s, 52 /16s and 59 /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: 3041
Total RIPE prefixes after maximum aggregation: 2445
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3041
Unique aggregates announced from the RIPE address blocks: 2538
RIPE Region origin ASes present in the Internet Routing Table: 597
RIPE Prefixes per ASN: 5.09
RIPE Region origin ASes announcing only one prefix: 290
RIPE Region transit ASes present in the Internet Routing Table: 96
Average RIPE Region AS path length visible: 3.7
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 113
Number of RIPE addresses announced to Internet: 55651488
Equivalent to 3 /8s, 81 /16s and 44 /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: 951
Total LACNIC prefixes after maximum aggregation: 445
LACNIC Deaggregation factor: 2.14
Prefixes being announced from the LACNIC address blocks: 949
Unique aggregates announced from the LACNIC address blocks: 534
LACNIC Region origin ASes present in the Internet Routing Table: 132
LACNIC Prefixes per ASN: 7.19
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 50
Number of LACNIC addresses announced to Internet: 2755936
Equivalent to 0 /8s, 42 /16s and 13 /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: 801
Total AfriNIC prefixes after maximum aggregation: 155
AfriNIC Deaggregation factor: 5.17
Prefixes being announced from the AfriNIC address blocks: 801
Unique aggregates announced from the AfriNIC address blocks: 230
AfriNIC Region origin ASes present in the Internet Routing Table: 44
AfriNIC Prefixes per ASN: 18.20
AfriNIC Region origin ASes announcing only one prefix: 19
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 23
Number of AfriNIC addresses announced to Internet: 2593536
Equivalent to 0 /8s, 39 /16s and 147 /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 618 2155 455 UNALLOCATED
7497 429 209 20 UNALLOCATED
1237 192 75 137 UNALLOCATED
7575 179 330 125 UNALLOCATED
58647 176 18 2 UNALLOCATED
4538 168 4192 72 UNALLOCATED
55824 128 19 22 UNALLOCATED
2697 55 3 31 UNALLOCATED
1659 54 1450 34 UNALLOCATED
132524 48 9 11 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 213 178 140 UNALLOCATED
5786 201 16 1 UNALLOCATED
2152 155 507 87 UNALLOCATED
18558 137 18 4 UNALLOCATED
270 117 297 87 UNALLOCATED
2920 112 34 6 UNALLOCATED
21976 86 51 18 UNALLOCATED
1736 80 16 1 UNALLOCATED
3477 67 70 39 UNALLOCATED
22742 67 52 33 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/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 95 1520 84 UNALLOCATED
137 82 677 77 UNALLOCATED
2200 66 647 61 UNALLOCATED
2614 62 32 59 UNALLOCATED
1930 57 81 52 UNALLOCATED
1653 52 151 49 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 117 121 51 UNALLOCATED
11340 94 24 54 UNALLOCATED
1251 65 37 20 UNALLOCATED
2715 51 53 33 UNALLOCATED
4270 44 16 1 UNALLOCATED
61468 41 3 15 UNALLOCATED
28614 38 2 2 UNALLOCATED
28571 37 26 15 UNALLOCATED
20191 31 16 1 UNALLOCATED
3597 23 2 17 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 326 319 72 UNALLOCATED
327687 133 28 3 UNALLOCATED
36914 96 82 3 UNALLOCATED
8094 55 48 4 UNALLOCATED
327700 38 16 1 UNALLOCATED
37215 30 8 1 UNALLOCATED
6879 24 2 9 UNALLOCATED
37501 11 49 6 UNALLOCATED
37182 10 8 1 UNALLOCATED
36982 8 33 8 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 618 2155 455 UNALLOCATED
7497 429 209 20 UNALLOCATED
2018 326 319 72 UNALLOCATED
680 273 1996 235 UNALLOCATED
376 213 178 140 UNALLOCATED
5786 201 16 1 UNALLOCATED
1237 192 75 137 UNALLOCATED
786 187 1779 185 UNALLOCATED
7575 179 330 125 UNALLOCATED
58647 176 18 2 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 429 409 UNALLOCATED
2018 326 254 UNALLOCATED
5786 201 200 UNALLOCATED
58647 176 174 UNALLOCATED
8895 173 169 UNALLOCATED
18558 137 133 UNALLOCATED
327687 133 130 UNALLOCATED
55824 128 106 UNALLOCATED
2920 112 106 UNALLOCATED
4538 168 96 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/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
36843 UNALLOCATED 108.59.20.0/24 11096 UNALLOCATED
36843 UNALLOCATED 131.91.183.0/24 11096 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
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
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.240.0/20 Origin: 328439 UNALLOCATED
Transit: 327992 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/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 /14:35 /15:102 /16:1672 /17:273 /18:299
/19:446 /20:650 /21:705 /22:1093 /23:1142 /24:7456
/25:75 /26:58 /27:50 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 168 173 UNALLOCATED
36914 83 96 UNALLOCATED
23024 53 56 UNALLOCATED
28614 32 38 UNALLOCATED
327700 32 38 UNALLOCATED
25977 29 32 UNALLOCATED
200521 28 44 UNALLOCATED
1916 24 117 UNALLOCATED
2614 24 62 UNALLOCATED
37215 24 30 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/ASREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:84 23:2
24:2 31:1 37:6 38:6 41:138 42:9
44:4 45:36 46:6 49:10 58:4 59:10
60:4 61:3 62:6 63:4 64:13 66:5
67:41 68:1 69:13 72:11 74:16 76:11
77:6 78:3 79:10 80:11 81:29 82:2
83:7 84:3 85:22 86:9 87:1 88:1
89:10 91:45 93:11 94:2 95:4 96:5
101:3 102:8 103:222 104:5 106:1 108:4
109:8 110:3 111:16 112:4 114:18 116:4
117:2 118:17 119:19 121:27 122:8 123:8
124:42 128:65 129:30 130:83 131:90 132:52
133:137 134:83 136:191 137:123 138:10 139:4
140:34 141:2 142:25 143:32 144:27 146:121
147:26 148:7 149:12 150:19 151:5 152:62
153:6 154:24 155:35 156:64 157:25 158:41
159:116 160:25 161:16 162:15 163:59 164:35
165:16 167:16 168:99 169:10 170:40 172:2
173:1 175:20 176:8 177:6 178:1 179:10
180:21 182:5 184:3 185:31 186:2 187:17
188:13 189:6 190:53 191:9 192:1183 193:176
194:97 195:59 196:167 197:4 198:327 199:183
200:160 201:22 202:376 203:290 204:307 205:88
206:138 207:130 208:43 209:92 210:182 211:13
212:168 213:2 216:45 217:15 218:5 219:13
220:9 222:4 223:2
End of report
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