[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Jan 31 20:00:44 UTC 2023
IPv4 R&E Routing Table Report 20:00 GMT Tue 31 Jan, 2023
IPv4 BGP Table (R&E) as seen at SingAREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/SingAREN/
Analysis Summary
----------------
BGP routing table entries examined: 3068
Prefixes after maximum aggregation (per Origin AS): 2138
Deaggregation factor: 1.43
Unique aggregates announced (without unneeded subnets): 2434
Number of IPv4 prefixes with a valid ROA: 747
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 2316
Total ASes present in the Internet Routing Table: 638
Prefixes per ASN: 4.81
Origin-only ASes present in the Internet Routing Table: 525
Origin ASes announcing only one prefix: 276
Transit ASes present in the Internet Routing Table: 113
Transit-only ASes present in the Internet Routing Table: 47
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 14
Max AS path prepend of ASN (207012) 6
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 41157
Number of 32-bit ASNs visible in the Routing Table: 154
Prefixes from 32-bit ASNs in the Routing Table: 285
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: 34236928
Equivalent to 2 /8s, 10 /16s and 106 /24s
Percentage of available address space announced: 0.9
Percentage of allocated address space announced: 0.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 250
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 1627
Total APNIC prefixes after maximum aggregation: 1087
APNIC Deaggregation factor: 1.50
Prefixes being announced from the APNIC address blocks: 1628
Unique aggregates announced from the APNIC address blocks: 1262
APNIC Region origin ASes present in the Internet Routing Table: 224
APNIC Prefixes per ASN: 7.27
APNIC Region origin ASes announcing only one prefix: 103
APNIC Region transit ASes present in the Internet Routing Table: 14
Average APNIC Region AS path length visible: 2.7
Max APNIC Region AS path length visible: 9
Number of APNIC region 32-bit ASNs visible in the Routing Table: 68
Number of APNIC addresses announced to Internet: 18563072
Equivalent to 1 /8s, 27 /16s and 64 /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: 162
Total ARIN prefixes after maximum aggregation: 103
ARIN Deaggregation factor: 1.57
Prefixes being announced from the ARIN address blocks: 165
Unique aggregates announced from the ARIN address blocks: 115
ARIN Region origin ASes present in the Internet Routing Table: 45
ARIN Prefixes per ASN: 3.67
ARIN Region origin ASes announcing only one prefix: 21
ARIN Region transit ASes present in the Internet Routing Table: 30
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 7
Number of ARIN region 32-bit ASNs visible in the Routing Table: 8
Number of ARIN addresses announced to Internet: 839168
Equivalent to 0 /8s, 12 /16s and 206 /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: 943
Total RIPE prefixes after maximum aggregation: 771
RIPE Deaggregation factor: 1.22
Prefixes being announced from the RIPE address blocks: 939
Unique aggregates announced from the RIPE address blocks: 778
RIPE Region origin ASes present in the Internet Routing Table: 268
RIPE Prefixes per ASN: 3.50
RIPE Region origin ASes announcing only one prefix: 121
RIPE Region transit ASes present in the Internet Routing Table: 39
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 10
Number of RIPE region 32-bit ASNs visible in the Routing Table: 50
Number of RIPE addresses announced to Internet: 14098176
Equivalent to 0 /8s, 215 /16s and 31 /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: 238
Total LACNIC prefixes after maximum aggregation: 113
LACNIC Deaggregation factor: 2.11
Prefixes being announced from the LACNIC address blocks: 238
Unique aggregates announced from the LACNIC address blocks: 201
LACNIC Region origin ASes present in the Internet Routing Table: 25
LACNIC Prefixes per ASN: 9.52
LACNIC Region origin ASes announcing only one prefix: 13
LACNIC Region transit ASes present in the Internet Routing Table: 15
Average LACNIC Region AS path length visible: 8.6
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7
Number of LACNIC addresses announced to Internet: 340992
Equivalent to 0 /8s, 5 /16s and 52 /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: 97
Total AfriNIC prefixes after maximum aggregation: 63
AfriNIC Deaggregation factor: 1.54
Prefixes being announced from the AfriNIC address blocks: 97
Unique aggregates announced from the AfriNIC address blocks: 77
AfriNIC Region origin ASes present in the Internet Routing Table: 28
AfriNIC Prefixes per ASN: 3.46
AfriNIC Region origin ASes announcing only one prefix: 18
AfriNIC Region transit ASes present in the Internet Routing Table: 6
Average AfriNIC Region AS path length visible: 7.7
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 21
Number of AfriNIC addresses announced to Internet: 395264
Equivalent to 0 /8s, 6 /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
2907 575 2140 459 SINET-AS Research Organization of Infor
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 119 AARNET-AS-AP Australian Academic and Re
23767 30 3 10 A-STAR-AS-AP A-STAR, SG
134096 27 3 18 EHEALTHNSW-AS-AP eHealth NSW, AU
24436 23 27 19 UQ-AS-AP University of Queensland, AU
6262 22 128 17 CSIRO Commonwealth Scientific and Indus
10148 19 20 18 UNIMELB-AS-AP The University of Melbour
38022 18 3 13 REANNZ-NZ-AP REANNZ National Research a
2506 16 52 6 SUPERCSI NTT WEST CHUGOKU CORPORATION,
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6360 54 62 7 UNIVHAWAII, US
806 16 1 12 SSC-299-806, CA
668 7 16 6 DNIC-AS-00668, US
2680 6 1 6 CDAGOVN, CA
195 5 1 5 SDSC-AS, US
228 4 2 4 DNIC-AS-00228, US
23369 4 1 4 SCOE, US
26020 4 0 4 STSCI-NET, US
393750 4 0 3 TRUMAN-STATE-UNIVERSITY, US
395400 4 16 2 UNIVERSITY-GUAM, GU
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
3267 56 63 41 RUNNET, RU
1653 50 151 47 SUNET SUNET Swedish University Network,
1741 39 149 18 FUNETAS, FI
3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU
8674 18 2 11 NETNOD-IX Netnod AB, SE
8508 15 39 8 SILWEB-AS-EDU SILWEB Autonomous System
224 13 256 13 UNINETT UNINETT, The Norwegian Universi
1101 12 465 12 IP-EEND-AS IP-EEND BV, NL
1104 12 18 11 NIKHEF Nikhef, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
3596 34 4 3 Universidad Autonoma Metropolitana, MX
264471 9 1 4 UNIVERSIDADE ESTADUAL DO OESTE DO PARAN
278 6 0 5 Universidad Nacional Autonoma de Mexico
28027 6 2 5 Escuela Superior Politecnica del Litora
3640 4 14 4 C I C E S E, MX
11340 3 0 3 Red Universitaria Nacional, CL
4270 2 0 2 Red de Interconexion Universitaria, AR
8151 2 0 2 Uninet S.A. de C.V., MX
16596 2 2 2 Universidad Autonoma del Estado de Baja
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 42 50 34 TENET-1, ZA
37074 13 8 2 UG-AS, GH
30983 4 4 1 MARWAN-AS, MA
328358 4 1 1 Makerere-AS, UG
328903 4 0 1 RITER, CI
327947 3 1 2 KNUST-, GH
328224 3 2 1 University-of-Energy-and-Natural-Resour
37661 2 4 1 NRaE1-AS, NG
327705 2 2 1 FUTA, NG
328076 2 1 1 University-of-Mines-and-Technology, GH
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 575 2140 459 SINET-AS Research Organization of Infor
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 119 AARNET-AS-AP Australian Academic and Re
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
3267 56 63 41 RUNNET, RU
6360 54 62 7 UNIVHAWAII, US
1653 50 151 47 SUNET SUNET Swedish University Network,
2018 42 50 34 TENET-1, ZA
1741 39 149 18 FUNETAS, FI
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
58647 175 173 KAGAWAU-AS Kagawa University, JP
28391 153 86 Universidad Juarez Autonoma de Tabasco, MX
7575 172 53 AARNET-AS-AP Australian Academic and Research N
6360 54 47 UNIVHAWAII, US
3596 34 31 Universidad Autonoma Metropolitana, MX
1741 39 21 FUNETAS, FI
23767 30 20 A-STAR-AS-AP A-STAR, SG
3267 56 15 RUNNET, RU
1103 96 11 SURFNET-NL SURFnet, The Netherlands, NL
37074 13 11 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/SingAREN/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 /9:0 /10:0 /11:0 /12:2
/13:1 /14:3 /15:16 /16:371 /17:70 /18:62
/19:104 /20:145 /21:168 /22:272 /23:275 /24:1579
/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
3267 21 56 RUNNET, RU
5387 8 10 NSC, RU
8501 8 8 PIONIER-AS PIONIER, National Research and Educa
3343 7 7 RUNNET-AS, RU
9206 7 8 MAI Moscow Aviation Institute MAI, RU
1653 6 50 SUNET SUNET Swedish University Network, EU
8508 6 15 SILWEB-AS-EDU SILWEB Autonomous System - Academ
15798 6 9 OLMAN-EDU-AS OLMAN, Metropolitan Area Network e
25468 6 7 PL-POLRZE-AS Academic network in Rzeszow, Polan
42236 6 6 ITRELATION-AS, DK
Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
24:2 44:2 45:9 49:4 62:4 69:1
74:1 76:1 77:6 79:4 80:8 81:2
82:4 83:2 84:6 85:18 86:2 87:1
89:3 91:15 92:2 93:2 95:1 102:7
103:79 109:1 123:8 125:1 128:33 129:2
130:10 131:9 132:12 133:149 134:3 137:2
138:8 140:5 143:5 145:1 146:4 147:1
148:191 150:8 152:4 154:1 155:4 156:5
157:2 159:2 160:25 161:3 163:19 168:20
170:2 171:1 172:1 177:1 180:2 181:1
185:15 187:1 188:3 192:221 193:46 194:63
195:7 196:11 197:2 198:10 199:9 200:15
201:1 202:223 203:173 204:1 205:14 206:1
210:3 212:16 213:4 217:3 219:5
End of report
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