[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jan 3 18:30:44 UTC 2024
IPv4 R&E Routing Table Report 18:30 GMT Wed 03 Jan, 2024
IPv4 BGP Table (R&E) as seen at UbuntuNet Alliance.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 16572
Prefixes after maximum aggregation (per Origin AS): 9729
Deaggregation factor: 1.70
Unique aggregates announced (without unneeded subnets): 10797
Number of IPv4 prefixes with a valid ROA: 4803
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 11769
Total ASes present in the Internet Routing Table: 2542
Prefixes per ASN: 6.52
Origin-only ASes present in the Internet Routing Table: 2198
Origin ASes announcing only one prefix: 999
Transit ASes present in the Internet Routing Table: 344
Transit-only ASes present in the Internet Routing Table: 67
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 16
Max AS path prepend of ASN (328212) 11
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 43295
Number of 32-bit ASNs visible in the Routing Table: 600
Prefixes from 32-bit ASNs in the Routing Table: 1811
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: 192574208
Equivalent to 11 /8s, 122 /16s and 115 /24s
Percentage of available address space announced: 5.2
Percentage of allocated address space announced: 5.2
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: 1416
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4614
Total APNIC prefixes after maximum aggregation: 2248
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4614
Unique aggregates announced from the APNIC address blocks: 2553
APNIC Region origin ASes present in the Internet Routing Table: 531
APNIC Prefixes per ASN: 8.69
APNIC Region origin ASes announcing only one prefix: 229
APNIC Region transit ASes present in the Internet Routing Table: 55
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 207
Number of APNIC addresses announced to Internet: 45476096
Equivalent to 2 /8s, 181 /16s and 233 /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, 131072-153913
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: 7172
Total ARIN prefixes after maximum aggregation: 4277
ARIN Deaggregation factor: 1.68
Prefixes being announced from the ARIN address blocks: 7199
Unique aggregates announced from the ARIN address blocks: 4754
ARIN Region origin ASes present in the Internet Routing Table: 1193
ARIN Prefixes per ASN: 6.03
ARIN Region origin ASes announcing only one prefix: 428
ARIN Region transit ASes present in the Internet Routing Table: 149
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 187
Number of ARIN addresses announced to Internet: 86092288
Equivalent to 5 /8s, 33 /16s and 170 /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: 3155
Total RIPE prefixes after maximum aggregation: 2649
RIPE Deaggregation factor: 1.19
Prefixes being announced from the RIPE address blocks: 3141
Unique aggregates announced from the RIPE address blocks: 2693
RIPE Region origin ASes present in the Internet Routing Table: 595
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 270
RIPE Region transit ASes present in the Internet Routing Table: 92
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 133
Number of RIPE addresses announced to Internet: 57098240
Equivalent to 3 /8s, 103 /16s and 64 /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
196608-216475
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: 816
Total LACNIC prefixes after maximum aggregation: 371
LACNIC Deaggregation factor: 2.20
Prefixes being announced from the LACNIC address blocks: 813
Unique aggregates announced from the LACNIC address blocks: 570
LACNIC Region origin ASes present in the Internet Routing Table: 105
LACNIC Prefixes per ASN: 7.74
LACNIC Region origin ASes announcing only one prefix: 47
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 43
Number of LACNIC addresses announced to Internet: 1240320
Equivalent to 0 /8s, 18 /16s and 237 /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: 804
Total AfriNIC prefixes after maximum aggregation: 175
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 804
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 16.41
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 2.4
Max AfriNIC Region AS path length visible: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2667008
Equivalent to 0 /8s, 40 /16s and 178 /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 592 2162 465 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 193 74 142 KREONET-AS-KR KISTI, KR
4538 182 4193 75 ERX-CERNET-BKB China Education and Rese
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
55824 126 18 16 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 201 162 151 RISQ-AS, CA
2152 145 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, US
23024 109 7 22 OCDE, US
2920 102 34 7 LACOE, US
21976 80 51 18 NJEDGE-NET, US
1736 79 16 1 MU-AS, US
3477 72 63 41 NOAA-NWAVE, US
237 71 527 44 MERIT-AS-14, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 81 676 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 76 462 76 BELWUE BelWue-Koordination, DE
2200 63 598 58 FR-RENATER Reseau National de telecommu
200521 54 4 18 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
11340 106 24 50 Red Universitaria Nacional, CL
1916 66 10 29 Rede Nacional de Ensino e Pesquisa, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
61468 43 3 14 CEDIA, EC
3596 34 4 3 Universidad Autonoma Metropolitana, MX
263683 33 10 21 Universidad de Costa Rica, CR
20191 28 16 1 Pontificia Universidad Catolica de Chil
27790 18 2 2 Universidad Nacional de Cordoba, AR
278 17 32 4 Universidad Nacional Autonoma de Mexico
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 372 319 70 TENET-1, ZA
327687 161 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
36914 27 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
37215 10 8 1 MAREN, MW
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 592 2162 465 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 372 319 70 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
376 201 162 151 RISQ-AS, CA
1237 193 74 142 KREONET-AS-KR KISTI, KR
786 185 1767 182 JANET Jisc Services Limited, GB
4538 182 4193 75 ERX-CERNET-BKB China Education and Rese
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 372 302 TENET-1, ZA
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 161 158 RENU, UG
18558 141 137 NETBLK-RCOEK, US
55824 126 110 NKN-CORE-NW NKN Core Network, IN
4538 182 107 ERX-CERNET-BKB China Education and Research Net
81 126 96 NCREN, US
2920 102 95 LACOE, US
28391 154 87 Universidad Juarez Autonoma de Tabasco, MX
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US
11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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 /10:1 /11:1 /12:10
/13:19 /14:33 /15:120 /16:1902 /17:388 /18:401
/19:526 /20:734 /21:770 /22:1383 /23:1376 /24:8907
/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 52 109 OCDE, US
327700 38 44 MoRENet, MZ
32440 37 61 LONI, US
46115 32 35 LUTHER, US
200521 32 54 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
327687 26 161 RENU, UG
30220 25 26 SWWC-SERVICE-COOPERATIVE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:89 23:5
24:3 31:7 35:6 38:8 40:1 41:60
42:16 44:7 45:30 46:5 47:1 49:9
50:1 52:1 58:11 59:20 60:5 61:3
62:6 63:32 64:48 65:1 66:39 67:40
68:10 69:17 70:2 71:1 72:7 74:51
76:39 77:8 78:3 79:10 80:9 81:25
82:3 83:6 84:5 85:24 86:3 87:1
89:10 91:40 93:4 94:4 95:2 96:5
97:1 98:2 101:5 102:38 103:265 104:73
108:8 109:5 111:15 114:23 116:8 117:61
118:33 119:18 121:28 122:8 123:8 124:40
125:5 128:84 129:40 130:83 131:61 132:59
133:155 134:106 136:10 137:136 138:9 139:4
140:35 141:3 142:38 143:21 144:23 145:2
146:131 147:53 148:193 149:12 150:41 151:12
152:103 153:14 154:29 155:63 156:66 157:4
158:29 159:115 160:29 161:14 162:20 163:77
164:13 165:47 166:1 167:13 168:111 169:7
170:86 172:3 173:7 175:18 176:8 177:2
179:11 180:15 181:1 182:1 184:2 185:44
187:1 188:12 190:18 191:3 192:1319 193:259
194:120 195:69 196:203 197:5 198:426 199:244
200:130 201:5 202:622 203:418 204:346 205:124
206:184 207:143 208:72 209:110 210:193 211:15
212:42 213:2 216:82 217:9 218:22 219:6
220:15 222:3 223:14
End of report
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