[REN-BGP-stats-all] Global R&E Routing Table Report - PERN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Dec 21 19:10:27 UTC 2021
Global R&E Routing Table Report 19:10 GMT Tue 21 Dec, 2021
BGP Table (R&E) as seen at PERN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PERN/
Analysis Summary
----------------
BGP routing table entries examined: 3770
Prefixes after maximum aggregation (per Origin AS): 2496
Deaggregation factor: 1.51
Unique aggregates announced (without unneeded subnets): 2792
Total ASes present in the Internet Routing Table: 574
Prefixes per ASN: 6.57
Origin-only ASes present in the Internet Routing Table: 494
Origin ASes announcing only one prefix: 217
Transit ASes present in the Internet Routing Table: 80
Transit-only ASes present in the Internet Routing Table: 25
Average AS path length visible in the Internet Routing Table: 8.8
Max AS path length visible: 20
Max AS path prepend of ASN ( 7650) 8
Prefixes from unregistered ASNs in the Routing Table: 0
Number of instances of unregistered ASNs: 0
Number of 32-bit ASNs allocated by the RIRs: 38135
Number of 32-bit ASNs visible in the Routing Table: 131
Prefixes from 32-bit ASNs in the Routing Table: 281
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: 0
Number of addresses announced to Internet: 46372608
Equivalent to 2 /8s, 195 /16s and 151 /24s
Percentage of available address space announced: 1.3
Percentage of allocated address space announced: 1.3
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: 221
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1084
Total APNIC prefixes after maximum aggregation: 730
APNIC Deaggregation factor: 1.48
Prefixes being announced from the APNIC address blocks: 1085
Unique aggregates announced from the APNIC address blocks: 909
APNIC Region origin ASes present in the Internet Routing Table: 216
APNIC Prefixes per ASN: 5.02
APNIC Region origin ASes announcing only one prefix: 111
APNIC Region transit ASes present in the Internet Routing Table: 36
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 92
Number of APNIC addresses announced to Internet: 11353600
Equivalent to 0 /8s, 173 /16s and 62 /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, 131072-151865
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: 2686
Total ARIN prefixes after maximum aggregation: 1766
ARIN Deaggregation factor: 1.52
Prefixes being announced from the ARIN address blocks: 2685
Unique aggregates announced from the ARIN address blocks: 1883
ARIN Region origin ASes present in the Internet Routing Table: 333
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 106
ARIN Region transit ASes present in the Internet Routing Table: 37
Average ARIN Region AS path length visible: 9.4
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 39
Number of ARIN addresses announced to Internet: 35019008
Equivalent to 2 /8s, 22 /16s and 89 /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: 0
Total RIPE prefixes after maximum aggregation: 0
RIPE Deaggregation factor: -nan
Prefixes being announced from the RIPE address blocks: 0
Unique aggregates announced from the RIPE address blocks: 0
RIPE Region origin ASes present in the Internet Routing Table: 0
RIPE Prefixes per ASN: -nan
RIPE Region origin ASes announcing only one prefix: 0
RIPE Region transit ASes present in the Internet Routing Table: 0
Average RIPE Region AS path length visible: -nan
Max RIPE Region AS path length visible: 0
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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: 0
Total LACNIC prefixes after maximum aggregation: 0
LACNIC Deaggregation factor: -nan
Prefixes being announced from the LACNIC address blocks: 0
Unique aggregates announced from the LACNIC address blocks: 0
LACNIC Region origin ASes present in the Internet Routing Table: 0
LACNIC Prefixes per ASN: -nan
LACNIC Region origin ASes announcing only one prefix: 0
LACNIC Region transit ASes present in the Internet Routing Table: 0
Average LACNIC Region AS path length visible: -nan
Max LACNIC Region AS path length visible: 0
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 0
Total AfriNIC prefixes after maximum aggregation: 0
AfriNIC Deaggregation factor: -nan
Prefixes being announced from the AfriNIC address blocks: 0
Unique aggregates announced from the AfriNIC address blocks: 0
AfriNIC Region origin ASes present in the Internet Routing Table: 0
AfriNIC Prefixes per ASN: -nan
AfriNIC Region origin ASes announcing only one prefix: 0
AfriNIC Region transit ASes present in the Internet Routing Table: 0
Average AfriNIC Region AS path length visible: -nan
Max AfriNIC Region AS path length visible: 0
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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
7575 175 330 123 AARNET-AS-AP Australian Academic and Re
45773 45 3 5 HECPERN-AS-PK PERN AS Content Servie Pr
1659 39 1466 35 ERX-TANET-ASN1 Taiwan Academic Network
17862 34 10 34 KWNU-AS-KR Kangwon National University,
9270 32 5 6 APAN-KR-AS National Infomation Society
134096 27 3 18 EHEALTHNSW-AS-AP eHealth NSW, AU
9708 26 7 22 PKNU-AS Pukyong National University, KR
24151 26 2 9 CNNIC-CRITICAL-AP China Internet Networ
38345 26 2 9 ZDNS Internet Domain Name System Beijin
7560 25 10 10 CHONBUK-AS Jeonbuk National University,
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
2152 145 507 84 CSUNET-NW, US
18558 132 16 1 NETBLK-RCOEK, US
2920 108 34 6 LACOE, US
15296 65 5 55 CYBERA, CA
23024 56 4 3 OCDE, US
271 55 26 45 BCNET-AS, CA
6360 55 62 7 UNIVHAWAII, US
27609 45 5 21 USC-UNIVERSITY-HOSPITAL, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
7575 175 330 123 AARNET-AS-AP Australian Academic and Re
2152 145 507 84 CSUNET-NW, US
18558 132 16 1 NETBLK-RCOEK, US
2920 108 34 6 LACOE, US
15296 65 5 55 CYBERA, CA
23024 56 4 3 OCDE, US
271 55 26 45 BCNET-AS, CA
6360 55 62 7 UNIVHAWAII, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
18558 132 131 NETBLK-RCOEK, US
2920 108 102 LACOE, US
2152 145 61 CSUNET-NW, US
23024 56 53 OCDE, US
7575 175 52 AARNET-AS-AP Australian Academic and Research N
376 203 51 RISQ-AS, CA
6360 55 48 UNIVHAWAII, US
45773 45 40 HECPERN-AS-PK PERN AS Content Servie Provider,
22315 29 28 SBCSS, US
16796 43 27 MERLIN-NET, CA
Complete listing at https://bgp.nsrc.org/REN/PERN/data-CIDRnet
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 /10:1 /11:1 /12:1
/13:2 /14:5 /15:6 /16:359 /17:44 /18:76
/19:100 /20:164 /21:152 /22:245 /23:269 /24:2344
/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
23024 53 56 OCDE, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
16796 16 43 MERLIN-NET, CA
5653 13 17 UCSF, US
2920 10 108 LACOE, US
47 8 13 USC-AS, US
30713 7 7 YRDSB, CA
2152 6 145 CSUNET-NW, US
54032 6 11 SEATTLEPACIFICUNIV, US
271 5 55 BCNET-AS, CA
Complete listing at https://bgp.nsrc.org/REN/PERN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 6:4 23:1 38:2 42:3 44:1
45:2 59:3 61:3 63:31 64:14 66:3
68:6 69:5 72:5 96:5 101:4 103:145
104:1 106:1 107:1 108:2 110:3 111:16
112:4 114:10 116:5 119:3 121:17 125:2
128:52 130:8 131:43 132:11 134:18 137:18
138:7 139:1 140:17 142:40 143:6 146:1
147:4 150:6 152:3 153:1 155:3 156:64
159:1 161:1 162:8 163:27 164:7 165:1
167:7 168:8 169:4 175:23 180:5 182:5
184:2 192:295 198:195 199:153 202:90 203:194
204:183 205:81 206:123 207:142 208:4 209:86
210:8 211:11 214:7 216:29 218:23 219:1
220:10 222:2
End of report
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