[REN-BGP-stats-all] Global R&E Routing Table Report - PERN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Dec 20 19:10:29 UTC 2021
Global R&E Routing Table Report 19:10 GMT Mon 20 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: 11597
Prefixes after maximum aggregation (per Origin AS): 6066
Deaggregation factor: 1.91
Unique aggregates announced (without unneeded subnets): 7089
Total ASes present in the Internet Routing Table: 1750
Prefixes per ASN: 6.63
Origin-only ASes present in the Internet Routing Table: 1487
Origin ASes announcing only one prefix: 661
Transit ASes present in the Internet Routing Table: 263
Transit-only ASes present in the Internet Routing Table: 58
Average AS path length visible in the Internet Routing Table: 9.9
Max AS path length visible: 20
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 38132
Number of 32-bit ASNs visible in the Routing Table: 410
Prefixes from 32-bit ASNs in the Routing Table: 1216
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: 103684096
Equivalent to 6 /8s, 46 /16s and 24 /24s
Percentage of available address space announced: 2.8
Percentage of allocated address space announced: 2.8
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: 1210
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 2042
Total APNIC prefixes after maximum aggregation: 1002
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 2043
Unique aggregates announced from the APNIC address blocks: 1229
APNIC Region origin ASes present in the Internet Routing Table: 328
APNIC Prefixes per ASN: 6.23
APNIC Region origin ASes announcing only one prefix: 163
APNIC Region transit ASes present in the Internet Routing Table: 45
Average APNIC Region AS path length visible: 9.5
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 173
Number of APNIC addresses announced to Internet: 7120384
Equivalent to 0 /8s, 108 /16s and 166 /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: 7075
Total ARIN prefixes after maximum aggregation: 4228
ARIN Deaggregation factor: 1.67
Prefixes being announced from the ARIN address blocks: 7083
Unique aggregates announced from the ARIN address blocks: 4690
ARIN Region origin ASes present in the Internet Routing Table: 1109
ARIN Prefixes per ASN: 6.39
ARIN Region origin ASes announcing only one prefix: 393
ARIN Region transit ASes present in the Internet Routing Table: 148
Average ARIN Region AS path length visible: 9.9
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 148
Number of ARIN addresses announced to Internet: 89557760
Equivalent to 5 /8s, 86 /16s and 139 /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: 255
Total RIPE prefixes after maximum aggregation: 85
RIPE Deaggregation factor: 3.00
Prefixes being announced from the RIPE address blocks: 247
Unique aggregates announced from the RIPE address blocks: 96
RIPE Region origin ASes present in the Internet Routing Table: 53
RIPE Prefixes per ASN: 4.66
RIPE Region origin ASes announcing only one prefix: 32
RIPE Region transit ASes present in the Internet Routing Table: 20
Average RIPE Region AS path length visible: 9.7
Max RIPE Region AS path length visible: 17
Number of RIPE region 32-bit ASNs visible in the Routing Table: 5
Number of RIPE addresses announced to Internet: 462080
Equivalent to 0 /8s, 7 /16s and 13 /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: 1443
Total LACNIC prefixes after maximum aggregation: 584
LACNIC Deaggregation factor: 2.47
Prefixes being announced from the LACNIC address blocks: 1444
Unique aggregates announced from the LACNIC address blocks: 803
LACNIC Region origin ASes present in the Internet Routing Table: 174
LACNIC Prefixes per ASN: 8.30
LACNIC Region origin ASes announcing only one prefix: 68
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 11.1
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 75
Number of LACNIC addresses announced to Internet: 4051456
Equivalent to 0 /8s, 61 /16s and 210 /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: 780
Total AfriNIC prefixes after maximum aggregation: 165
AfriNIC Deaggregation factor: 4.73
Prefixes being announced from the AfriNIC address blocks: 780
Unique aggregates announced from the AfriNIC address blocks: 271
AfriNIC Region origin ASes present in the Internet Routing Table: 26
AfriNIC Prefixes per ASN: 30.00
AfriNIC Region origin ASes announcing only one prefix: 5
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 9.6
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 2492416
Equivalent to 0 /8s, 38 /16s and 8 /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
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
7575 174 330 123 AARNET-AS-AP Australian Academic and Re
55824 129 19 23 NKN-CORE-NW NKN Core Network, IN
2697 54 3 32 ERX-ERNET-AS Education and Research Net
132524 49 9 11 TIFR-AS Tata Institute of Fundamental R
45773 45 3 5 HECPERN-AS-PK PERN AS Content Servie Pr
17862 34 10 34 KWNU-AS-KR Kangwon National University,
9270 32 5 6 APAN-KR-AS National Infomation Society
3363 30 19 7 HKUST-AS-HK Hong Kong University of Sci
134096 27 3 18 EHEALTHNSW-AS-AP eHealth NSW, AU
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
5786 200 16 1 UPRENET, PR
2152 147 507 86 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 76 496 15 MIT-GATEWAYS, US
3477 72 71 42 NOAA-NWAVE, 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
8895 143 24 4 ISU Internet Services Unit ISU, SA
47862 13 1 5 ANKABUT, AE
29384 11 3 8 QATAR-FOUNDATION, QA
57021 7 0 3 NTP-SE Anycasted NTP services from Netn
50517 5 2 1 KSU, SA
51182 5 1 2 UAEU, AE
61137 5 1 4 ANKABUTSERVICES, AE
2643 4 1 4 IHEP-SU IHEP-SU AS, EU
47805 4 0 3 MCIT, SA
1653 3 48 3 SUNET SUNET Swedish University Network,
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
1916 176 207 41 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 93 24 53 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 43 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR
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
2018 345 319 74 TENET-1, ZA
36914 133 81 6 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
327687 37 28 3 RENU, UG
6879 24 2 9 ENSTINET-, EG
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
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
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 345 319 74 TENET-1, ZA
668 212 702 180 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
1916 176 207 41 Rede Nacional de Ensino e Pesquisa, BR
7575 174 330 123 AARNET-AS-AP Australian Academic and Re
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
2152 147 507 86 CSUNET-NW, US
8895 143 24 4 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
2018 345 271 TENET-1, ZA
5786 200 199 UPRENET, PR
8895 143 139 ISU Internet Services Unit ISU, SA
1916 176 135 Rede Nacional de Ensino e Pesquisa, BR
18558 135 131 NETBLK-RCOEK, US
36914 133 127 KENET-AS, KE
55824 129 106 NKN-CORE-NW NKN Core Network, IN
2920 108 102 LACOE, US
28391 152 86 Universidad Juarez Autonoma de Tabasco, MX
1736 80 79 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-badAS
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 /11:0 /12:0
/13:2 /14:10 /15:23 /16:1023 /17:274 /18:322
/19:342 /20:563 /21:497 /22:832 /23:935 /24:6771
/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
8895 138 143 ISU Internet Services Unit ISU, SA
36914 125 133 KENET-AS, KE
23024 53 56 OCDE, US
327700 36 42 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
30220 25 26 SWTELCOOP, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 6:4 8:2 12:1 14:84 18:42
23:7 24:1 38:9 41:62 42:3 44:3
45:31 47:1 49:4 50:1 52:1 59:3
60:4 61:3 62:1 63:33 64:27 66:34
67:43 68:8 69:20 72:12 74:19 76:33
82:1 86:4 91:13 96:5 97:1 98:2
101:6 102:6 103:261 104:12 106:1 107:1
108:5 109:5 110:3 111:16 112:4 114:10
116:5 119:21 121:17 124:39 125:3 128:82
129:30 130:91 131:55 132:55 134:76 136:191
137:66 138:7 139:5 140:46 141:1 142:40
143:33 144:25 146:124 147:25 148:153 149:13
150:24 151:4 152:70 153:1 154:25 155:50
156:65 157:20 158:42 159:116 161:12 162:19
163:44 164:34 165:13 166:1 167:16 168:148
169:9 170:50 172:2 173:1 175:29 176:8
177:10 179:11 180:20 181:2 182:5 184:5
185:4 186:3 187:18 189:3 190:46 191:36
192:726 193:48 194:16 195:52 196:145 197:113
198:416 199:258 200:254 201:39 202:171 203:199
204:310 205:163 206:173 207:168 208:55 209:104
210:85 211:12 212:132 214:7 216:56 218:23
219:3 220:14 222:2 223:2
End of report
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