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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jun 18 22:10:39 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Tue 18 Jun, 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:                               25548
    Prefixes after maximum aggregation (per Origin AS):           12634
    Deaggregation factor:                                          2.02
    Unique aggregates announced (without unneeded subnets):       14251
    Number of IPv4 prefixes with a valid ROA:                     12855
    Number of IPv4 prefixes with an invalid ROA:                    174
    Number of IPv4 prefixes with no ROA:                          12519
Total ASes present in the Internet Routing Table:                  2725
    Prefixes per ASN:                                              9.38
Origin-only ASes present in the Internet Routing Table:            2355
Origin ASes announcing only one prefix:                            1033
Transit ASes present in the Internet Routing Table:                 370
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 (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      44780
Number of 32-bit ASNs visible in the Routing Table:                 645
Prefixes from 32-bit ASNs in the Routing Table:                    4660
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:              6
Number of addresses announced to Internet:                    237130073
    Equivalent to 14 /8s, 34 /16s and 81 /24s
    Percentage of available address space announced:                6.4
    Percentage of allocated address space announced:                6.4
    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:        3565

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

Prefixes being announced by APNIC Region ASes:                     4609
    Total APNIC prefixes after maximum aggregation:                2270
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4671
    Unique aggregates announced from the APNIC address blocks:     2617
APNIC Region origin ASes present in the Internet Routing Table:     547
    APNIC Prefixes per ASN:                                        8.54
APNIC Region origin ASes announcing only one prefix:                232
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    211
Number of APNIC addresses announced to Internet:               45614912
    Equivalent to 2 /8s, 184 /16s and 7 /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:                     14811
    Total ARIN prefixes after maximum aggregation:                 6709
    ARIN Deaggregation factor:                                     2.21
Prefixes being announced from the ARIN address blocks:            14561
    Unique aggregates announced from the ARIN address blocks:      7472
ARIN Region origin ASes present in the Internet Routing Table:     1250
    ARIN Prefixes per ASN:                                        11.65
ARIN Region origin ASes announcing only one prefix:                 440
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     212
Number of ARIN addresses announced to Internet:               127305233
    Equivalent to 7 /8s, 150 /16s and 134 /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:                      3614
    Total RIPE prefixes after maximum aggregation:                 2860
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3790
    Unique aggregates announced from the RIPE address blocks:      3144
RIPE Region origin ASes present in the Internet Routing Table:      675
    RIPE Prefixes per ASN:                                         5.61
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     152
Number of RIPE addresses announced to Internet:                57636240
    Equivalent to 3 /8s, 111 /16s and 117 /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:                    1486
    Total LACNIC prefixes after maximum aggregation:                643
    LACNIC Deaggregation factor:                                   2.31
Prefixes being announced from the LACNIC address blocks:           1491
    Unique aggregates announced from the LACNIC address blocks:     815
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       9.62
LACNIC Region origin ASes announcing only one prefix:                46
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:    60
Number of LACNIC addresses announced to Internet:               4151672
    Equivalent to 0 /8s, 63 /16s and 89 /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:                   1027
    Total AfriNIC prefixes after maximum aggregation:               151
    AfriNIC Deaggregation factor:                                  6.80
Prefixes being announced from the AfriNIC address blocks:          1029
    Unique aggregates announced from the AfriNIC address blocks:    197
AfriNIC Region origin ASes present in the Internet Routing Table:    30
    AfriNIC Prefixes per ASN:                                     34.30
AfriNIC Region origin ASes announcing only one prefix:               14
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   10
Number of AfriNIC addresses announced to Internet:              2418688
    Equivalent to 0 /8s, 36 /16s and 232 /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         442        180      24  UNASSIGNED
  1237         193         74     142  UNASSIGNED
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  UNASSIGNED
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  9411          82         16       2  UNASSIGNED
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNASSIGNED

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        2767       3620     415  GOOGLE-CLOUD-PLATFORM, US
 16509        2210       1724     970  AMAZON-02, US
 14618         932       4169     708  AMAZON-AES, US
 15169         824       1997      63  GOOGLE, US
   376         202        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
 36492         155         11      42  GOOGLEWIFI, US
  2152         149        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, 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         282       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         178         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  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          76         26      66  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         156        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         118         25      55  Red Universitaria Nacional, CL
 27947         117          0      89  Telconet S.A, EC
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blume

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         414         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          44         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          13          8       5  NRaE1-AS, NG
 37182          12          8       1  TERNET, TZ
 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        2767       3620     415  GOOGLE-CLOUD-PLATFORM, US
 16509        2210       1724     970  AMAZON-02, US
 14618         932       4169     708  AMAZON-AES, US
 15169         824       1997      63  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
  7497         442        180      24  UNASSIGNED
 36914         414         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
   376         202        162     151  RISQ-AS, CA

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        2210         1240  AMAZON-02, US
 15169         824          761  GOOGLE, US
  7497         442          418  UNASSIGNED
 36914         414          411  KENET-AS, KE
  2018         381          310  TENET-1, ZA
 14618         932          224  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  8895         178          173  ISU Internet Services Unit ISU, SA
  2920         175          168  LACOE, US

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
     26971  UNALLOCATED  129.111.0.0/16             276  UNASSIGNED

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

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

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
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  UNASSIGNED
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

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      /14:79      /15:160     /16:2074    /17:504     /18:498     
/19:735     /20:2800    /21:1036    /22:1658    /23:1732    /24:13813   
/25:84      /26:55      /27:82      /28:21      /29:77      /30:34      
/31:38      /32:8       

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

   ASN  No of nets  Total ann.  Description
 36914         401         414  KENET-AS, KE
 16509         328        2210  AMAZON-02, US
 14618         306         932  AMAZON-AES, US
 15169         275         824  GOOGLE, US
396982         222        2767  GOOGLE-CLOUD-PLATFORM, US
  8895         173         178  ISU Internet Services Unit ISU, SA
 27947          92         117  Telconet S.A, EC
 32440          82         116  LONI, US
 23024          49         106  OCDE, US
327700          38          44  MoRENet, MZ

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

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

   1:2         3:85        5:21        8:28       12:1        13:45     
  14:91       15:71       16:115      18:70       23:108      24:3      
  31:3        34:23       35:49       36:1        38:10       40:5      
  41:196      42:10       43:2        44:7        45:57       46:11     
  47:1        49:9        50:5        52:552      54:163      57:1      
  59:19       60:6        61:3        62:9        63:36       64:159    
  65:16       66:83       67:64       68:15       69:44       70:43     
  71:3        72:11       74:151      75:1        76:45       77:12     
  78:3        79:10       80:15       81:24       82:6        83:7      
  84:7        85:34       86:5        87:4        88:1        89:20     
  91:58       92:5        93:5        94:2        95:2        96:7      
  97:1        98:10       99:47      101:2       102:7       103:294    
 104:228     107:35      108:105     109:12      114:32      115:1      
 116:10      117:62      118:34      119:21      121:11      122:8      
 123:8       124:41      125:5       128:84      129:44      130:141    
 131:65      132:66      133:157     134:108     135:3       136:298    
 137:66      138:59      139:17      140:42      141:7       142:264    
 143:25      144:41      145:3       146:145     147:76      148:202    
 149:17      150:41      151:24      152:139     153:15      154:37     
 155:78      156:136     157:30      158:42      159:154     160:30     
 161:29      162:98      163:66      164:24      165:66      166:1      
 167:24      168:157     169:10      170:154     171:1       172:113    
 173:116     174:2       175:18      176:10      177:4       178:1      
 179:11      180:15      182:1       184:3       185:109     186:3      
 187:17      188:18      189:3       190:3       191:13      192:1429   
 193:278     194:125     195:73      196:153     197:281     198:466    
 199:322     200:246     201:34      202:616     203:430     204:382    
 205:154     206:213     207:233     208:145     209:175     210:195    
 211:14      212:167     213:17      216:193     217:12      218:22     
 219:5       220:17      222:2       223:14     

End of report


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