[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Dec 16 22:10:40 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Sat 16 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: 25590
Prefixes after maximum aggregation (per Origin AS): 12547
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 14141
Number of IPv4 prefixes with a valid ROA: 12550
Number of IPv4 prefixes with an invalid ROA: 198
Number of IPv4 prefixes with no ROA: 12842
Total ASes present in the Internet Routing Table: 2771
Prefixes per ASN: 9.23
Origin-only ASes present in the Internet Routing Table: 2386
Origin ASes announcing only one prefix: 1068
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 71
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: 43229
Number of 32-bit ASNs visible in the Routing Table: 652
Prefixes from 32-bit ASNs in the Routing Table: 4549
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: 7
Number of addresses announced to Internet: 241796700
Equivalent to 14 /8s, 105 /16s and 134 /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: 3577
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4655
Total APNIC prefixes after maximum aggregation: 2289
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4705
Unique aggregates announced from the APNIC address blocks: 2631
APNIC Region origin ASes present in the Internet Routing Table: 546
APNIC Prefixes per ASN: 8.62
APNIC Region origin ASes announcing only one prefix: 233
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: 211
Number of APNIC addresses announced to Internet: 45578816
Equivalent to 2 /8s, 183 /16s and 122 /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: 14552
Total ARIN prefixes after maximum aggregation: 6515
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14349
Unique aggregates announced from the ARIN address blocks: 7331
ARIN Region origin ASes present in the Internet Routing Table: 1241
ARIN Prefixes per ASN: 11.56
ARIN Region origin ASes announcing only one prefix: 439
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: 201
Number of ARIN addresses announced to Internet: 131572609
Equivalent to 7 /8s, 215 /16s and 163 /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: 3659
Total RIPE prefixes after maximum aggregation: 2907
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3814
Unique aggregates announced from the RIPE address blocks: 3136
RIPE Region origin ASes present in the Internet Routing Table: 702
RIPE Prefixes per ASN: 5.43
RIPE Region origin ASes announcing only one prefix: 316
RIPE Region transit ASes present in the Internet Routing Table: 102
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: 150
Number of RIPE addresses announced to Internet: 58053376
Equivalent to 3 /8s, 117 /16s and 211 /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: 1558
Total LACNIC prefixes after maximum aggregation: 664
LACNIC Deaggregation factor: 2.35
Prefixes being announced from the LACNIC address blocks: 1560
Unique aggregates announced from the LACNIC address blocks: 827
LACNIC Region origin ASes present in the Internet Routing Table: 162
LACNIC Prefixes per ASN: 9.63
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 28
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: 65
Number of LACNIC addresses announced to Internet: 4066715
Equivalent to 0 /8s, 62 /16s and 13 /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: 1155
Total AfriNIC prefixes after maximum aggregation: 163
AfriNIC Deaggregation factor: 7.09
Prefixes being announced from the AfriNIC address blocks: 1155
Unique aggregates announced from the AfriNIC address blocks: 209
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 24.57
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 9
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: 25
Number of AfriNIC addresses announced to Internet: 2523392
Equivalent to 0 /8s, 38 /16s and 129 /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 176 329 119 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 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US
16509 2190 1645 887 AMAZON-02, US
14618 845 4032 637 AMAZON-AES, US
15169 832 1997 60 GOOGLE, US
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 165 12 38 GOOGLEWIFI, US
2152 145 507 93 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 1899 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 158 24 5 ISU Internet Services Unit ISU, SA
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
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 120 0 92 Telconet S.A, EC
11340 107 25 51 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
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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
36914 525 82 3 KENET-AS, KE
2018 377 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37215 12 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, 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 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US
16509 2190 1645 887 AMAZON-02, US
14618 845 4032 637 AMAZON-AES, US
15169 832 1997 60 GOOGLE, US
2907 603 2162 466 SINET-AS Research Organization of Infor
36914 525 82 3 KENET-AS, KE
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 377 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
1916 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
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 2190 1303 AMAZON-02, US
15169 832 772 GOOGLE, US
36914 525 522 KENET-AS, KE
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 377 306 TENET-1, ZA
14618 845 208 AMAZON-AES, US
1916 250 207 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
8895 158 153 ISU Internet Services Unit ISU, SA
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
216.117.204.0/24 Origin: 14618 AMAZON-AES, US
216.117.204.0/24 Transit: 16509 AMAZON-02, US
216.117.205.0/24 Origin: 14618 AMAZON-AES, US
216.117.205.0/24 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 /16:2104 /17:511 /18:493
/19:739 /20:2791 /21:1035 /22:1657 /23:1713 /24:13834
/25:90 /26:66 /27:73 /28:21 /29:83 /30:34
/31:35 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 510 525 KENET-AS, KE
16509 298 2190 AMAZON-02, US
15169 276 832 GOOGLE, US
14618 269 845 AMAZON-AES, US
396982 202 2736 GOOGLE-CLOUD-PLATFORM, US
8895 153 158 ISU Internet Services Unit ISU, SA
27947 97 120 Telconet S.A, EC
32440 80 112 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 34:23 35:51 38:9 40:5 41:227
42:10 43:2 44:9 45:59 46:11 47:1
49:9 50:3 52:558 54:228 58:1 59:19
60:5 61:3 62:11 63:35 64:162 65:13
66:73 67:61 68:14 69:35 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 87:4 88:1 89:19 91:58 92:5
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:3 102:10 103:301 104:218 107:33
108:103 109:10 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:28 122:8 123:8
124:40 125:5 128:87 129:47 130:138 131:68
132:62 133:155 134:109 135:3 136:295 137:66
138:10 139:17 140:40 141:7 142:284 143:23
144:41 145:3 146:136 147:69 148:202 149:16
150:44 151:16 152:135 153:14 154:24 155:73
156:68 157:24 158:41 159:148 160:30 161:28
162:92 163:73 164:23 165:52 166:1 167:24
168:152 169:12 170:144 171:1 172:114 173:117
174:2 175:18 176:11 177:5 178:1 179:9
180:15 182:1 184:2 185:110 186:3 187:18
188:20 189:3 190:4 191:13 192:1503 193:318
194:123 195:96 196:154 197:325 198:481 199:305
200:319 201:35 202:627 203:409 204:374 205:149
206:204 207:179 208:134 209:166 210:195 211:14
212:160 213:15 216:169 217:12 218:22 219:5
220:16 222:2 223:14
End of report
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