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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Apr 21 22:10:41 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Sun 21 Apr, 2024

  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:                               25373
    Prefixes after maximum aggregation (per Origin AS):           12687
    Deaggregation factor:                                          2.00
    Unique aggregates announced (without unneeded subnets):       14332
    Number of IPv4 prefixes with a valid ROA:                     12423
    Number of IPv4 prefixes with an invalid ROA:                    161
    Number of IPv4 prefixes with no ROA:                          12789
Total ASes present in the Internet Routing Table:                  2775
    Prefixes per ASN:                                              9.14
Origin-only ASes present in the Internet Routing Table:            2398
Origin ASes announcing only one prefix:                            1058
Transit ASes present in the Internet Routing Table:                 377
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:                                      21
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                13
    Number of instances of unregistered ASNs:                        13
Number of 32-bit ASNs allocated by the RIRs:                      44225
Number of 32-bit ASNs visible in the Routing Table:                 663
Prefixes from 32-bit ASNs in the Routing Table:                    4622
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:                    239877689
    Equivalent to 14 /8s, 76 /16s and 62 /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:        3231

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

Prefixes being announced by APNIC Region ASes:                     4728
    Total APNIC prefixes after maximum aggregation:                2330
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4775
    Unique aggregates announced from the APNIC address blocks:     2674
APNIC Region origin ASes present in the Internet Routing Table:     589
    APNIC Prefixes per ASN:                                        8.11
APNIC Region origin ASes announcing only one prefix:                249
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    231
Number of APNIC addresses announced to Internet:               45724992
    Equivalent to 2 /8s, 185 /16s and 181 /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:                     14781
    Total ARIN prefixes after maximum aggregation:                 6662
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:            14561
    Unique aggregates announced from the ARIN address blocks:      7450
ARIN Region origin ASes present in the Internet Routing Table:     1241
    ARIN Prefixes per ASN:                                        11.73
ARIN Region origin ASes announcing only one prefix:                 431
ARIN Region transit ASes present in the Internet Routing Table:     158
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:     203
Number of ARIN addresses announced to Internet:               129747713
    Equivalent to 7 /8s, 187 /16s and 203 /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, 393216-402332
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:                      3609
    Total RIPE prefixes after maximum aggregation:                 2878
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3781
    Unique aggregates announced from the RIPE address blocks:      3162
RIPE Region origin ASes present in the Internet Routing Table:      683
    RIPE Prefixes per ASN:                                         5.54
RIPE Region origin ASes announcing only one prefix:                 309
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:     153
Number of RIPE addresses announced to Internet:                57666704
    Equivalent to 3 /8s, 111 /16s and 236 /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:                    1498
    Total LACNIC prefixes after maximum aggregation:                655
    LACNIC Deaggregation factor:                                   2.29
Prefixes being announced from the LACNIC address blocks:           1503
    Unique aggregates announced from the LACNIC address blocks:     839
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       9.45
LACNIC Region origin ASes announcing only one prefix:                52
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4293224
    Equivalent to 0 /8s, 65 /16s and 130 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                    744
    Total AfriNIC prefixes after maximum aggregation:               151
    AfriNIC Deaggregation factor:                                  4.93
Prefixes being announced from the AfriNIC address blocks:           746
    Unique aggregates announced from the AfriNIC address blocks:    201
AfriNIC Region origin ASes present in the Internet Routing Table:    33
    AfriNIC Prefixes per ASN:                                     22.61
AfriNIC Region origin ASes announcing only one prefix:               17
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   12
Number of AfriNIC addresses announced to Internet:              2435840
    Equivalent to 0 /8s, 37 /16s and 43 /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         601       2162     465  SINET-AS Research Organization of Infor
  7497         441        180      24  CSTNET-AS-AP Computer Network Informati
  1237         191         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          67         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        2754       3638     407  GOOGLE-CLOUD-PLATFORM, US
 16509        2171       1676     936  AMAZON-02, US
 14618         897       4164     678  AMAZON-AES, US
 15169         839       1997      61  GOOGLE, US
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2920         174         34       7  LACOE, US
 36492         165         12      38  GOOGLEWIFI, US
   270         162        345      88  AS270, US
  2152         149        507      94  CSUNET-NW, 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         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         161         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          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         27      65  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         158        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340         117         25      54  Red Universitaria Nacional, CL
 27947         117          0      90  Telconet S.A, EC
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          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         377        319      71  TENET-1, ZA
 36914         197         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
  6879          24          2       9  ENSTINET-, EG
327700          20         16       1  MoRENet, MZ
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215           9          8       1  MAREN, MW
 36982           8         33       8  UCT, ZA
 31960           5          1       1  EMUNET, MZ

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        2754       3638     407  GOOGLE-CLOUD-PLATFORM, US
 16509        2171       1676     936  AMAZON-02, US
 14618         897       4164     678  AMAZON-AES, US
 15169         839       1997      61  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
  7497         441        180      24  CSTNET-AS-AP Computer Network Informati
  2018         377        319      71  TENET-1, ZA
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR

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        2171         1235  AMAZON-02, US
 15169         839          778  GOOGLE, US
  7497         441          417  CSTNET-AS-AP Computer Network Information Cente
  2018         377          306  TENET-1, ZA
 14618         897          219  AMAZON-AES, US
  5786         197          196  UPRENET, PR
 36914         197          194  KENET-AS, KE
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         174          167  LACOE, US
  8895         161          156  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
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, 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

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
199.91.149.0/24      Origin:     14618  AMAZON-AES, US
199.91.149.0/24     Transit:     16509  AMAZON-02, US
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

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       /10:1       /11:4       /12:19      
/13:35      /14:81      /15:160     /16:2108    /17:507     /18:504     
/19:724     /20:2788    /21:1054    /22:1679    /23:1747    /24:13586   
/25:78      /26:51      /27:72      /28:22      /29:81      /30:32      
/31:35      /32:4       

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

   ASN  No of nets  Total ann.  Description
 16509         319        2171  AMAZON-02, US
 14618         294         897  AMAZON-AES, US
 15169         278         839  GOOGLE, US
396982         214        2754  GOOGLE-CLOUD-PLATFORM, US
 36914         184         197  KENET-AS, KE
  8895         156         161  ISU Internet Services Unit ISU, SA
 27947          92         117  Telconet S.A, EC
 32440          87         120  LONI, US
 23024          51         108  OCDE, US
  3267          36          77  RUNNET, RU

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

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

   1:2         3:87        5:21        8:28       12:1        13:45     
  14:91       15:71       16:112      18:66       23:109      24:3      
  31:3        34:25       35:51       38:10       40:5        41:95     
  42:10       43:2        44:8        45:55       46:11       47:1      
  49:9        50:3        52:551      54:163      59:19       60:6      
  61:3        62:9        63:36       64:161      65:12       66:81     
  67:64       68:14       69:40       70:44       71:3        72:11     
  74:147      75:1        76:47       77:13       78:3        79:10     
  80:13       81:25       82:7        83:7        84:10       85:32     
  86:5        87:4        88:1        89:21       91:60       92:5      
  93:4        94:2        95:2        96:7        97:1        98:11     
  99:47      101:3       102:6       103:347     104:227     107:34     
 108:107     109:10      114:32      115:1       116:10      117:61     
 118:33      119:20      121:11      122:8       123:8       124:42     
 125:5       128:84      129:39      130:139     131:65      132:66     
 133:157     134:110     135:3       136:297     137:65      138:58     
 139:17      140:41      141:6       142:276     143:24      144:40     
 145:3       146:145     147:69      148:201     149:18      150:43     
 151:18      152:135     153:14      154:30      155:75      156:141    
 157:28      158:42      159:148     160:30      161:27      162:99     
 163:80      164:24      165:61      166:1       167:23      168:155    
 169:10      170:152     171:1       172:114     173:116     174:2      
 175:25      176:10      177:6       178:1       179:10      180:11     
 182:9       184:2       185:109     186:3       187:18      188:18     
 189:3       190:2       191:13      192:1510    193:284     194:128    
 195:73      196:153     197:112     198:481     199:306     200:253    
 201:34      202:639     203:416     204:370     205:154     206:198    
 207:184     208:146     209:169     210:205     211:14      212:163    
 213:16      216:182     217:13      218:22      219:5       220:17     
 222:2       223:14     

End of report


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