[REN-BGP-stats-all] Global R&E Routing Table Report - Internet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 25 22:01:02 UTC 2021
Global R&E Routing Table Report 22:00 GMT Sun 25 Jul, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/
Analysis Summary
----------------
BGP routing table entries examined: 22126
Prefixes after maximum aggregation (per Origin AS): 12106
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 14379
Total ASes present in the Internet Routing Table: 2738
Prefixes per ASN: 8.08
Origin-only ASes present in the Internet Routing Table: 2346
Origin ASes announcing only one prefix: 1076
Transit ASes present in the Internet Routing Table: 392
Transit-only ASes present in the Internet Routing Table: 67
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 16
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: 589
Prefixes from 32-bit ASNs in the Routing Table: 1711
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: 7
Number of addresses announced to Internet: 288399128
Equivalent to 17 /8s, 48 /16s and 159 /24s
Percentage of available address space announced: 7.8
Percentage of allocated address space announced: 7.8
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: 2976
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4736
Total APNIC prefixes after maximum aggregation: 2353
APNIC Deaggregation factor: 2.01
Prefixes being announced from the APNIC address blocks: 4794
Unique aggregates announced from the APNIC address blocks: 2757
APNIC Region origin ASes present in the Internet Routing Table: 569
APNIC Prefixes per ASN: 8.43
APNIC Region origin ASes announcing only one prefix: 238
APNIC Region transit ASes present in the Internet Routing Table: 63
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: 211
Number of APNIC addresses announced to Internet: 47030592
Equivalent to 2 /8s, 205 /16s and 161 /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: 11503
Total ARIN prefixes after maximum aggregation: 6218
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 11379
Unique aggregates announced from the ARIN address blocks: 7633
ARIN Region origin ASes present in the Internet Routing Table: 1197
ARIN Prefixes per ASN: 9.51
ARIN Region origin ASes announcing only one prefix: 425
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 13
Number of ARIN region 32-bit ASNs visible in the Routing Table: 147
Number of ARIN addresses announced to Internet: 174018328
Equivalent to 10 /8s, 95 /16s and 79 /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: 3400
Total RIPE prefixes after maximum aggregation: 2738
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3475
Unique aggregates announced from the RIPE address blocks: 2854
RIPE Region origin ASes present in the Internet Routing Table: 674
RIPE Prefixes per ASN: 5.16
RIPE Region origin ASes announcing only one prefix: 322
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 131
Number of RIPE addresses announced to Internet: 59783040
Equivalent to 3 /8s, 144 /16s and 55 /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: 1584
Unique aggregates announced from the LACNIC address blocks: 825
LACNIC Region origin ASes present in the Internet Routing Table: 177
LACNIC Prefixes per ASN: 8.95
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: 4.2
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 74
Number of LACNIC addresses announced to Internet: 4776000
Equivalent to 0 /8s, 72 /16s and 224 /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: 884
Total AfriNIC prefixes after maximum aggregation: 186
AfriNIC Deaggregation factor: 4.75
Prefixes being announced from the AfriNIC address blocks: 887
Unique aggregates announced from the AfriNIC address blocks: 303
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 18.48
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 3.1
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2785536
Equivalent to 0 /8s, 42 /16s and 129 /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 619 2155 456 UNALLOCATED
7497 436 214 25 UNALLOCATED
1237 192 75 137 UNALLOCATED
7575 179 330 125 UNALLOCATED
58647 176 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
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2434 4439 917 UNALLOCATED
14618 498 3967 370 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
2152 155 507 87 UNALLOCATED
18558 137 18 4 UNALLOCATED
1 120 1 41 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/Internet2/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 172 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/Internet2/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/Internet2/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/Internet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2434 4439 917 UNALLOCATED
2907 619 2155 456 UNALLOCATED
14618 498 3967 370 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
8075 205 11189 184 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/Internet2/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 176 174 UNALLOCATED
8895 172 168 UNALLOCATED
2907 619 163 UNALLOCATED
1916 202 161 UNALLOCATED
18558 137 133 UNALLOCATED
327687 134 131 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/Internet2/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/Internet2/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/Internet2/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
198.135.168.0/24 Origin: 14618 UNALLOCATED
Transit: 16509 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/Internet2/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 /11:7 /12:29
/13:34 /14:81 /15:195 /16:2134 /17:449 /18:457
/19:620 /20:962 /21:1005 /22:1567 /23:1675 /24:12569
/25:82 /26:65 /27:118 /28:1 /29:49 /30:0
/31:22 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 668 2434 UNALLOCATED
8895 167 172 UNALLOCATED
14618 158 498 UNALLOCATED
27884 90 93 UNALLOCATED
36914 82 95 UNALLOCATED
23024 53 56 UNALLOCATED
1 35 120 UNALLOCATED
28614 32 38 UNALLOCATED
25977 31 45 UNALLOCATED
327700 31 37 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 3:78 4:2 5:15 6:4 8:2
12:1 13:215 14:84 15:18 18:41 23:26
24:6 31:6 37:6 38:9 40:3 41:137
42:26 44:5 45:75 46:10 47:1 49:10
50:5 52:608 54:116 58:2 59:20 60:4
61:4 62:7 63:34 64:126 65:7 66:50
67:57 68:18 69:42 70:9 71:17 72:16
74:39 75:128 76:165 77:8 78:3 79:10
80:14 81:32 82:5 83:7 84:5 85:36
86:9 87:1 88:1 89:11 91:54 92:1
93:12 94:4 95:5 96:6 97:1 98:8
99:178 101:2 102:9 103:311 104:41 106:1
107:8 108:19 109:8 110:3 111:21 112:4
113:1 114:23 115:1 116:4 117:61 118:35
119:19 121:29 122:11 123:8 124:42 125:13
128:81 129:178 130:123 131:110 132:60 133:137
134:93 135:1 136:203 137:158 138:11 139:16
140:50 141:3 142:61 143:41 144:70 146:126
147:70 148:167 149:16 150:46 151:7 152:77
153:11 154:25 155:57 156:64 157:30 158:47
159:120 160:32 161:19 162:51 163:70 164:48
165:23 166:1 167:20 168:168 169:10 170:93
171:1 172:10 173:19 174:1 175:32 176:11
177:8 178:3 179:13 180:21 181:11 182:6
184:6 185:53 186:3 187:18 188:14 189:6
190:138 191:35 192:1470 193:250 194:128 195:88
196:169 197:4 198:495 199:296 200:256 201:39
202:640 203:432 204:381 205:193 206:193 207:191
208:85 209:131 210:190 211:14 212:169 213:13
214:7 216:108 217:16 218:26 219:8 220:24
222:4 223:2
End of report
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