[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed Oct 25 20:25:42 UTC 2023


IPv4 R&E Routing Table Report   20:25 GMT Wed 25 Oct, 2023

  IPv4 BGP Table (R&E) as seen at AIT.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AIT/

Analysis Summary
----------------

BGP routing table entries examined:                               22304
    Prefixes after maximum aggregation (per Origin AS):           11216
    Deaggregation factor:                                          1.99
    Unique aggregates announced (without unneeded subnets):       12667
    Number of IPv4 prefixes with a valid ROA:                      8015
    Number of IPv4 prefixes with an invalid ROA:                    148
    Number of IPv4 prefixes with no ROA:                          14141
Total ASes present in the Internet Routing Table:                  2928
    Prefixes per ASN:                                              7.62
Origin-only ASes present in the Internet Routing Table:            2517
Origin ASes announcing only one prefix:                            1125
Transit ASes present in the Internet Routing Table:                 411
Transit-only ASes present in the Internet Routing Table:             76
Paths with bogon ASNs present in the IPv4 Routing Table:              8
Average AS path length visible in the Internet Routing Table:       6.7
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      42902
Number of 32-bit ASNs visible in the Routing Table:                 767
Prefixes from 32-bit ASNs in the Routing Table:                    3374
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:              3
Number of addresses announced to Internet:                    194396736
    Equivalent to 11 /8s, 150 /16s and 66 /24s
    Percentage of available address space announced:                5.3
    Percentage of allocated address space announced:                5.3
    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:        2177

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     8185
    Total APNIC prefixes after maximum aggregation:                2920
    APNIC Deaggregation factor:                                    2.80
Prefixes being announced from the APNIC address blocks:            8024
    Unique aggregates announced from the APNIC address blocks:     3434
APNIC Region origin ASes present in the Internet Routing Table:     716
    APNIC Prefixes per ASN:                                       11.21
APNIC Region origin ASes announcing only one prefix:                292
APNIC Region transit ASes present in the Internet Routing Table:     94
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    348
Number of APNIC addresses announced to Internet:               36247872
    Equivalent to 2 /8s, 41 /16s and 25 /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:                      8240
    Total ARIN prefixes after maximum aggregation:                 4717
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8347
    Unique aggregates announced from the ARIN address blocks:      5295
ARIN Region origin ASes present in the Internet Routing Table:     1267
    ARIN Prefixes per ASN:                                         6.59
ARIN Region origin ASes announcing only one prefix:                 455
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         7.9
    Max ARIN Region AS path length visible:                          18
Number of ARIN region 32-bit ASNs visible in the Routing Table:     195
Number of ARIN addresses announced to Internet:                93479936
    Equivalent to 5 /8s, 146 /16s and 100 /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:                      3574
    Total RIPE prefixes after maximum aggregation:                 2917
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3623
    Unique aggregates announced from the RIPE address blocks:      3015
RIPE Region origin ASes present in the Internet Routing Table:      686
    RIPE Prefixes per ASN:                                         5.28
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         7.8
    Max RIPE Region AS path length visible:                          18
Number of RIPE region 32-bit ASNs visible in the Routing Table:     146
Number of RIPE addresses announced to Internet:                57925376
    Equivalent to 3 /8s, 115 /16s and 223 /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:                    1245
    Total LACNIC prefixes after maximum aggregation:                489
    LACNIC Deaggregation factor:                                   2.55
Prefixes being announced from the LACNIC address blocks:           1243
    Unique aggregates announced from the LACNIC address blocks:     691
LACNIC Region origin ASes present in the Internet Routing Table:    134
    LACNIC Prefixes per ASN:                                       9.28
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       8.9
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    57
Number of LACNIC addresses announced to Internet:               3952128
    Equivalent to 0 /8s, 60 /16s and 78 /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:                   1054
    Total AfriNIC prefixes after maximum aggregation:               167
    AfriNIC Deaggregation factor:                                  6.31
Prefixes being announced from the AfriNIC address blocks:          1064
    Unique aggregates announced from the AfriNIC address blocks:    229
AfriNIC Region origin ASes present in the Internet Routing Table:    45
    AfriNIC Prefixes per ASN:                                     23.64
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:    8
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:              2725376
    Equivalent to 0 /8s, 41 /16s and 150 /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
  7470         684        363      73  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         580         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
 45458         494         39      45  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         471         70      33  CAT-AP The Communication Authoity of Th
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
131293         274         23      65  TOT-LLI-AS-AP TOT Public Company Limite
  4765         208         13      95  PACIFICINTERNET-AS-AP Pacific Internet 
  1237         193         74     142  KREONET-AS-KR KISTI, KR
  7575         177        329     120  AARNET-AS-AP Australian Academic and Re
 23969         158         36     138  TOT-NET TOT Public Company Limited, TH

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         370        507      93  CSUNET-NW, US
   376         202        178     151  RISQ-AS, CA
   668         199        601     168  DNIC-AS-00668, US
  5786         197         16       1  UPRENET, PR
 18558         141         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
 23024         113          7      17  OCDE, US
  2920         101         34       7  LACOE, US
 21976          82         51      18  NJEDGE-NET, US
  1736          79         16       1  MU-AS, US

Complete listing at https://bgp.nsrc.org/REN/AIT/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         117         13      50  ISU Internet Services Unit ISU, SA
   559         113        533     105  SWITCH Peering requests: peering at switch
  1103          94       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        457      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         209        176      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      47  Red Universitaria Nacional, CL
271640          70          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          43         99      33  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          34          4       3  Universidad Autonoma Metropolitana, MX
263683          33         10      21  Universidad de Costa Rica, CR

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         382        319      71  TENET-1, ZA
 36914         244         82       3  KENET-AS, KE
327687         168         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7470         684        363      73  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         580         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
 45458         494         39      45  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         471         70      33  CAT-AP The Communication Authoity of Th
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         382        319      71  TENET-1, ZA
  2152         370        507      93  CSUNET-NW, US
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
131293         274         23      65  TOT-LLI-AS-AP TOT Public Company Limite
 36914         244         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
131090         580          571  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
 45458         494          449  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         471          438  CAT-AP The Communication Authoity of Thailand, 
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
  2018         382          311  TENET-1, ZA
  2152         370          277  CSUNET-NW, US
 36914         244          241  KENET-AS, KE
131293         274          209  TOT-LLI-AS-AP TOT Public Company Limited, TH
  5786         197          196  UPRENET, PR
  1916         209          167  Rede Nacional de Ensino e Pesquisa, BR

Complete listing at https://bgp.nsrc.org/REN/AIT/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65208  PRIVATE      63.225.1.0/24            11570  EASTERN-NEW-MEXICO-UNIVERITY
    138219  UNALLOCATED  103.207.69.0/24          23884  PROENNET-AS Proen Corp Publi
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65044  PRIVATE      192.55.18.0/23           18723  SEAGATE-USA-CA-1, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US
     65208  PRIVATE      216.161.32.0/23          11570  EASTERN-NEW-MEXICO-UNIVERITY

Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
134.208.0.0/16       Origin:      1659  ERX-TANET-ASN1 Taiwan Academic Network T
134.208.0.0/16      Transit:      9264  ASNET Academia Sinica, TW
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      7500  M-ROOT-DNS WIDE Project, JP
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

Complete listing at https://bgp.nsrc.org/REN/AIT/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       /11:1       /12:10      
/13:18      /14:33      /15:122     /16:1819    /17:433     /18:536     
/19:602     /20:951     /21:870     /22:1769    /23:1752    /24:13380   
/25:1       /26:2       /27:2       /28:0       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         233         244  KENET-AS, KE
  8895         114         117  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
134729          48          64  JPTL-AS-AP JOINT POWER TECHNOLOGY LIMITED, HK
 32440          38          61  LONI, US
327700          38          42  MoRENet, MZ
  2152          37         370  CSUNET-NW, US
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US

Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:133       2:1         5:15        6:4         8:4        12:1      
  14:90       18:1        23:23       24:1        27:60       31:7      
  35:4        38:10       40:1        41:113      42:10       43:25     
  44:6        45:74       46:5        47:4        49:338      50:4      
  52:1        58:94       59:11       60:5        61:291      62:11     
  63:37       64:57       65:37       66:54       67:43       68:9      
  69:18       70:2        71:1        72:7        74:46       76:42     
  77:9        78:3        79:10       80:12       81:28       82:7      
  83:8        84:11       85:42       86:4        87:1        89:10     
  91:48       92:2        93:4        94:4        95:18       96:5      
  97:2        98:2       101:15      102:28      103:432     104:76     
 106:3       107:14      108:13      109:8       110:378     111:31     
 112:27      113:40      114:26      115:12      116:21      117:62     
 118:100     119:194     121:10      122:218     123:9       124:44     
 125:14      128:92      129:53      130:88      131:65      132:64     
 133:9       134:303     136:197     137:131     138:10      139:11     
 140:37      141:3       142:38      143:24      144:35      145:2      
 146:125     147:75      148:199     149:13      150:46      151:12     
 152:132     153:14      154:63      155:63      156:67      157:26     
 158:12      159:239     160:4       161:21      162:26      163:91     
 164:69      165:48      166:1       167:18      168:106     169:8      
 170:33      171:140     172:5       173:7       174:1       175:18     
 176:8       177:5       179:11      180:74      181:1       182:18     
 183:9       184:12      185:62      186:3       187:17      188:13     
 189:3       190:19      191:13      192:1323    193:300     194:139    
 195:89      196:202     197:165     198:547     199:274     200:279    
 201:38      202:587     203:779     204:373     205:150     206:201    
 207:221     208:75      209:165     210:248     211:16      212:150    
 213:5       214:8       216:84      217:9       218:23      220:16     
 221:36      222:2       223:59     

End of report


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