[REN-BGP-stats-all] Global R&E Routing Table Report - Internet2 R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Jun 7 22:00:19 UTC 2021
Global R&E Routing Table Report 22:00 GMT Mon 07 Jun, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Internet2/
Analysis Summary
----------------
BGP routing table entries examined: 22333
Prefixes after maximum aggregation (per Origin AS): 12211
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 14403
Total ASes present in the Internet Routing Table: 2760
Prefixes per ASN: 8.09
Origin-only ASes present in the Internet Routing Table: 2356
Origin ASes announcing only one prefix: 1082
Transit ASes present in the Internet Routing Table: 404
Transit-only ASes present in the Internet Routing Table: 66
Average AS path length visible in the Internet Routing Table: 3.3
Max AS path length visible: 15
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: 584
Prefixes from 32-bit ASNs in the Routing Table: 1702
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: 289200600
Equivalent to 17 /8s, 60 /16s and 217 /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: 3176
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4696
Total APNIC prefixes after maximum aggregation: 2355
APNIC Deaggregation factor: 1.99
Prefixes being announced from the APNIC address blocks: 4748
Unique aggregates announced from the APNIC address blocks: 2750
APNIC Region origin ASes present in the Internet Routing Table: 565
APNIC Prefixes per ASN: 8.40
APNIC Region origin ASes announcing only one prefix: 235
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 3.7
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 209
Number of APNIC addresses announced to Internet: 47135552
Equivalent to 2 /8s, 207 /16s and 59 /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: 11517
Total ARIN prefixes after maximum aggregation: 6287
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 11402
Unique aggregates announced from the ARIN address blocks: 7672
ARIN Region origin ASes present in the Internet Routing Table: 1225
ARIN Prefixes per ASN: 9.31
ARIN Region origin ASes announcing only one prefix: 435
ARIN Region transit ASes present in the Internet Routing Table: 169
Average ARIN Region AS path length visible: 3.0
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 147
Number of ARIN addresses announced to Internet: 174576632
Equivalent to 10 /8s, 103 /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: 3439
Total RIPE prefixes after maximum aggregation: 2772
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3509
Unique aggregates announced from the RIPE address blocks: 2847
RIPE Region origin ASes present in the Internet Routing Table: 673
RIPE Prefixes per ASN: 5.21
RIPE Region origin ASes announcing only one prefix: 318
RIPE Region transit ASes present in the Internet Routing Table: 111
Average RIPE Region AS path length visible: 3.7
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: 59880320
Equivalent to 3 /8s, 145 /16s and 179 /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: 1478
Total LACNIC prefixes after maximum aggregation: 593
LACNIC Deaggregation factor: 2.49
Prefixes being announced from the LACNIC address blocks: 1481
Unique aggregates announced from the LACNIC address blocks: 827
LACNIC Region origin ASes present in the Internet Routing Table: 179
LACNIC Prefixes per ASN: 8.27
LACNIC Region origin ASes announcing only one prefix: 73
LACNIC Region transit ASes present in the Internet Routing Table: 28
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 77
Number of LACNIC addresses announced to Internet: 4752160
Equivalent to 0 /8s, 72 /16s and 131 /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: 1187
Total AfriNIC prefixes after maximum aggregation: 189
AfriNIC Deaggregation factor: 6.28
Prefixes being announced from the AfriNIC address blocks: 1190
Unique aggregates announced from the AfriNIC address blocks: 304
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 24.79
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2851328
Equivalent to 0 /8s, 43 /16s and 130 /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 427 212 24 UNALLOCATED
1237 191 75 137 UNALLOCATED
7575 180 331 127 UNALLOCATED
58647 176 18 2 UNALLOCATED
55824 128 19 22 UNALLOCATED
4538 124 4192 72 UNALLOCATED
4621 82 37 11 UNALLOCATED
23570 59 5 11 UNALLOCATED
1659 57 1450 34 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 2390 4301 891 UNALLOCATED
14618 485 3966 359 UNALLOCATED
7896 245 51 7 UNALLOCATED
376 235 180 158 UNALLOCATED
668 211 702 182 UNALLOCATED
8075 203 11189 182 UNALLOCATED
5786 201 16 1 UNALLOCATED
2152 160 507 92 UNALLOCATED
18558 137 18 4 UNALLOCATED
1 117 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 1787 185 UNALLOCATED
8895 171 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/Internet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 204 207 41 UNALLOCATED
28391 152 10 66 UNALLOCATED
11340 94 24 54 UNALLOCATED
1251 66 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
28571 37 26 15 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
36914 406 82 3 UNALLOCATED
2018 323 319 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
37501 11 49 6 UNALLOCATED
37182 9 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 2390 4301 891 UNALLOCATED
2907 619 2155 456 UNALLOCATED
14618 485 3966 359 UNALLOCATED
7497 427 212 24 UNALLOCATED
36914 406 82 3 UNALLOCATED
2018 323 319 74 UNALLOCATED
680 273 1996 235 UNALLOCATED
7896 245 51 7 UNALLOCATED
376 235 180 158 UNALLOCATED
668 211 702 182 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 427 403 UNALLOCATED
36914 406 403 UNALLOCATED
2018 323 249 UNALLOCATED
7896 245 238 UNALLOCATED
5786 201 200 UNALLOCATED
58647 176 174 UNALLOCATED
8895 171 167 UNALLOCATED
2907 619 163 UNALLOCATED
1916 204 163 UNALLOCATED
18558 137 133 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
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/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
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
/13:33 /14:81 /15:195 /16:2152 /17:454 /18:462
/19:621 /20:977 /21:1026 /22:1581 /23:1688 /24:12706
/25:85 /26:66 /27:118 /28:1 /29:46 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 664 2390 UNALLOCATED
36914 380 406 UNALLOCATED
8895 166 171 UNALLOCATED
14618 158 485 UNALLOCATED
23024 53 56 UNALLOCATED
327700 33 39 UNALLOCATED
1 32 117 UNALLOCATED
28614 32 38 UNALLOCATED
25977 31 45 UNALLOCATED
263282 30 37 UNALLOCATED
Complete listing at https://bgp.nsrc.org/REN/Internet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 3:71 4:2 5:15 6:4 8:2
12:1 13:217 14:84 15:10 18:41 23:22
24:6 31:6 37:6 38:9 40:3 41:238
42:26 44:5 45:64 46:10 47:1 49:10
50:4 52:609 54:111 58:2 59:20 60:4
61:4 62:7 63:34 64:126 65:6 66:52
67:57 68:18 69:42 70:9 71:17 72:16
74:39 75:128 76:166 77:7 78:3 79:10
80:14 81:32 82:5 83:8 84:9 85:36
86:9 87:1 88:2 89:11 91:54 92:1
93:12 94:4 95:4 96:6 97:1 98:8
99:178 100:1 101:2 102:9 103:301 104:43
106:1 107:8 108:19 109:8 110:3 111:21
112:4 114:23 115:1 116:5 117:63 118:35
119:18 121:29 122:11 123:8 124:40 125:13
128:79 129:179 130:120 131:105 132:56 133:137
134:91 135:1 136:203 137:159 138:12 139:16
140:50 141:3 142:61 143:38 144:69 146:126
147:70 148:167 149:16 150:44 151:6 152:77
153:11 154:25 155:52 156:64 157:30 158:48
159:118 160:33 161:20 162:45 163:72 164:48
165:20 166:1 167:17 168:161 169:9 170:93
171:1 172:9 173:19 174:1 175:32 176:11
177:7 178:3 179:13 180:21 181:11 182:6
184:10 185:53 186:3 187:18 188:14 189:6
190:44 191:36 192:1482 193:256 194:146 195:105
196:168 197:193 198:503 199:304 200:261 201:39
202:589 203:431 204:380 205:201 206:198 207:191
208:88 209:132 210:187 211:14 212:166 213:13
214:7 216:93 217:16 218:26 219:8 220:24
222:4 223:2
End of report
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