[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Dec 1 22:10:41 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Fri 01 Dec, 2023
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 25516
Prefixes after maximum aggregation (per Origin AS): 12553
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14174
Number of IPv4 prefixes with a valid ROA: 12274
Number of IPv4 prefixes with an invalid ROA: 202
Number of IPv4 prefixes with no ROA: 13040
Total ASes present in the Internet Routing Table: 2777
Prefixes per ASN: 9.19
Origin-only ASes present in the Internet Routing Table: 2389
Origin ASes announcing only one prefix: 1059
Transit ASes present in the Internet Routing Table: 388
Transit-only ASes present in the Internet Routing Table: 72
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 ( 47805) 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: 43144
Number of 32-bit ASNs visible in the Routing Table: 654
Prefixes from 32-bit ASNs in the Routing Table: 4742
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: 8
Number of addresses announced to Internet: 242414204
Equivalent to 14 /8s, 114 /16s and 242 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 3332
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4678
Total APNIC prefixes after maximum aggregation: 2293
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4724
Unique aggregates announced from the APNIC address blocks: 2657
APNIC Region origin ASes present in the Internet Routing Table: 545
APNIC Prefixes per ASN: 8.67
APNIC Region origin ASes announcing only one prefix: 230
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 210
Number of APNIC addresses announced to Internet: 45648960
Equivalent to 2 /8s, 184 /16s and 140 /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: 14506
Total ARIN prefixes after maximum aggregation: 6487
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 14310
Unique aggregates announced from the ARIN address blocks: 7293
ARIN Region origin ASes present in the Internet Routing Table: 1238
ARIN Prefixes per ASN: 11.56
ARIN Region origin ASes announcing only one prefix: 432
ARIN Region transit ASes present in the Internet Routing Table: 163
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 198
Number of ARIN addresses announced to Internet: 131821441
Equivalent to 7 /8s, 219 /16s and 111 /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: 3649
Total RIPE prefixes after maximum aggregation: 2895
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3799
Unique aggregates announced from the RIPE address blocks: 3119
RIPE Region origin ASes present in the Internet Routing Table: 704
RIPE Prefixes per ASN: 5.40
RIPE Region origin ASes announcing only one prefix: 318
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 151
Number of RIPE addresses announced to Internet: 58040320
Equivalent to 3 /8s, 117 /16s and 160 /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: 1611
Total LACNIC prefixes after maximum aggregation: 694
LACNIC Deaggregation factor: 2.32
Prefixes being announced from the LACNIC address blocks: 1614
Unique aggregates announced from the LACNIC address blocks: 872
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 9.84
LACNIC Region origin ASes announcing only one prefix: 53
LACNIC Region transit ASes present in the Internet Routing Table: 29
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4240571
Equivalent to 0 /8s, 64 /16s and 180 /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: 1061
Total AfriNIC prefixes after maximum aggregation: 175
AfriNIC Deaggregation factor: 6.06
Prefixes being announced from the AfriNIC address blocks: 1061
Unique aggregates announced from the AfriNIC address blocks: 225
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 20.40
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2660864
Equivalent to 0 /8s, 40 /16s and 154 /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 603 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 196 74 142 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 127 19 17 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 69 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/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US
16509 2174 1640 877 AMAZON-02, US
14618 834 4026 628 AMAZON-AES, US
15169 830 1997 61 GOOGLE, US
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 161 11 39 GOOGLEWIFI, US
2152 146 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 30 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 159 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 76 462 76 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
3267 65 69 51 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
27947 123 0 95 Telconet S.A, EC
11340 115 25 52 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 51 17 4 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
28614 38 2 2 Fundacao Universidade Regional de Blume
3596 35 4 3 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 372 319 71 TENET-1, ZA
36914 250 82 3 KENET-AS, KE
327687 163 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37215 11 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US
16509 2174 1640 877 AMAZON-02, US
14618 834 4026 628 AMAZON-AES, US
15169 830 1997 61 GOOGLE, US
2907 603 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 372 319 71 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
36914 250 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2174 1297 AMAZON-02, US
15169 830 769 GOOGLE, US
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 372 301 TENET-1, ZA
36914 250 247 KENET-AS, KE
1916 250 207 Rede Nacional de Ensino e Pesquisa, BR
14618 834 206 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 163 160 RENU, UG
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
216.117.204.0/24 Origin: 14618 AMAZON-AES, US
216.117.204.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /10:2 /11:4 /12:19
/13:34 /14:81 /15:161 /16:2112 /17:513 /18:490
/19:738 /20:2792 /21:1035 /22:1666 /23:1722 /24:13728
/25:88 /26:67 /27:74 /28:21 /29:85 /30:39
/31:35 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 297 2174 AMAZON-02, US
15169 276 830 GOOGLE, US
14618 263 834 AMAZON-AES, US
36914 239 250 KENET-AS, KE
396982 198 2722 GOOGLE-CLOUD-PLATFORM, US
8895 154 159 ISU Internet Services Unit ISU, SA
27947 98 123 Telconet S.A, EC
32440 81 113 LONI, US
23024 52 109 OCDE, US
1916 40 250 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:82 5:20 8:28 12:1 13:45
14:89 15:70 16:112 18:66 23:111 24:3
31:9 34:21 35:51 38:9 40:5 41:122
42:10 43:1 44:9 45:59 46:12 47:1
49:9 50:3 52:558 54:228 58:1 59:19
60:5 61:3 62:11 63:35 64:160 65:13
66:73 67:61 68:14 69:34 70:44 71:3
72:13 74:145 76:47 77:11 78:3 79:10
80:13 81:25 82:7 83:7 84:10 85:32
86:4 87:3 88:1 89:19 91:58 92:5
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:3 102:35 103:304 104:217 107:33
108:104 109:10 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:28 122:8 123:8
124:40 125:4 128:88 129:48 130:136 131:68
132:63 133:155 134:109 135:3 136:293 137:144
138:10 139:17 140:40 141:7 142:280 143:22
144:40 145:3 146:144 147:67 148:202 149:16
150:44 151:16 152:135 153:14 154:30 155:73
156:67 157:24 158:40 159:148 160:30 161:28
162:89 163:85 164:23 165:51 166:1 167:24
168:146 169:12 170:142 171:1 172:114 173:116
174:2 175:26 176:11 177:6 178:1 179:9
180:15 182:1 184:2 185:108 186:3 187:18
188:20 189:3 190:5 191:13 192:1503 193:312
194:126 195:96 196:203 197:164 198:481 199:306
200:317 201:36 202:626 203:422 204:373 205:148
206:207 207:179 208:135 209:162 210:194 211:14
212:161 213:15 216:163 217:12 218:22 219:5
220:16 222:3 223:14
End of report
More information about the ren-bgp-stats-all
mailing list