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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jan 13 22:10:42 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Sat 13 Jan, 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:                               25586
    Prefixes after maximum aggregation (per Origin AS):           12489
    Deaggregation factor:                                          2.05
    Unique aggregates announced (without unneeded subnets):       14131
    Number of IPv4 prefixes with a valid ROA:                     12716
    Number of IPv4 prefixes with an invalid ROA:                    188
    Number of IPv4 prefixes with no ROA:                          12682
Total ASes present in the Internet Routing Table:                  2745
    Prefixes per ASN:                                              9.32
Origin-only ASes present in the Internet Routing Table:            2364
Origin ASes announcing only one prefix:                            1056
Transit ASes present in the Internet Routing Table:                 381
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:       4.8
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      43384
Number of 32-bit ASNs visible in the Routing Table:                 656
Prefixes from 32-bit ASNs in the Routing Table:                    4801
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:                    236636520
    Equivalent to 14 /8s, 26 /16s and 201 /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:        3631

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

Prefixes being announced by APNIC Region ASes:                     4634
    Total APNIC prefixes after maximum aggregation:                2269
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4685
    Unique aggregates announced from the APNIC address blocks:     2626
APNIC Region origin ASes present in the Internet Routing Table:     542
    APNIC Prefixes per ASN:                                        8.64
APNIC Region origin ASes announcing only one prefix:                234
APNIC Region transit ASes present in the Internet Routing Table:     56
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:    209
Number of APNIC addresses announced to Internet:               45500224
    Equivalent to 2 /8s, 182 /16s and 71 /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:                     14443
    Total ARIN prefixes after maximum aggregation:                 6417
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:            14244
    Unique aggregates announced from the ARIN address blocks:      7230
ARIN Region origin ASes present in the Internet Routing Table:     1229
    ARIN Prefixes per ASN:                                        11.59
ARIN Region origin ASes announcing only one prefix:                 434
ARIN Region transit ASes present in the Internet Routing Table:     162
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:               126635393
    Equivalent to 7 /8s, 140 /16s and 77 /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:                      3677
    Total RIPE prefixes after maximum aggregation:                 2933
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3831
    Unique aggregates announced from the RIPE address blocks:      3180
RIPE Region origin ASes present in the Internet Routing Table:      690
    RIPE Prefixes per ASN:                                         5.55
RIPE Region origin ASes announcing only one prefix:                 311
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:     151
Number of RIPE addresses announced to Internet:                57815552
    Equivalent to 3 /8s, 114 /16s and 50 /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:                    1510
    Total LACNIC prefixes after maximum aggregation:                681
    LACNIC Deaggregation factor:                                   2.22
Prefixes being announced from the LACNIC address blocks:           1515
    Unique aggregates announced from the LACNIC address blocks:     863
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       9.41
LACNIC Region origin ASes announcing only one prefix:                52
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:    67
Number of LACNIC addresses announced to Internet:               4034983
    Equivalent to 0 /8s, 61 /16s and 145 /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:                   1307
    Total AfriNIC prefixes after maximum aggregation:               177
    AfriNIC Deaggregation factor:                                  7.38
Prefixes being announced from the AfriNIC address blocks:          1308
    Unique aggregates announced from the AfriNIC address blocks:    229
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     27.25
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2649600
    Equivalent to 0 /8s, 40 /16s and 110 /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         602       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          70         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        2746       3639     390  GOOGLE-CLOUD-PLATFORM, US
 16509        2181       1649     897  AMAZON-02, US
 14618         853       4032     643  AMAZON-AES, US
 15169         833       1997      60  GOOGLE, US
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 36492         165         12      38  GOOGLEWIFI, US
  2152         146        507      94  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        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          93         27      73  ROEDUNET, RO
   137          81        676      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
  3267          79         44      68  RUNNET, RU
   553          78        462      78  BELWUE BelWue-Koordination, DE

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         173        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         120          0      93  Telconet S.A, EC
 11340         116         25      53  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          42         67      32  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         381        319      71  TENET-1, ZA
327687         157         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215          10          8       1  MAREN, MW

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        2746       3639     390  GOOGLE-CLOUD-PLATFORM, US
 16509        2181       1649     897  AMAZON-02, US
 14618         853       4032     643  AMAZON-AES, US
 15169         833       1997      60  GOOGLE, US
  2907         602       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         381        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   376         201        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        2181         1284  AMAZON-02, US
 15169         833          773  GOOGLE, US
 36914         525          522  KENET-AS, KE
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
 14618         853          210  AMAZON-AES, US
  5786         197          196  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
327687         157          154  RENU, UG
  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
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.222.0/24          32440  LONI, US
    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

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

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      
/13:34      /14:79      /15:160     /16:2066    /17:507     /18:495     
/19:724     /20:2792    /21:1051    /22:1678    /23:1738    /24:13841   
/25:84      /26:55      /27:73      /28:21      /29:82      /30:37      
/31:35      /32:9       

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

   ASN  No of nets  Total ann.  Description
 36914         510         525  KENET-AS, KE
 16509         309        2181  AMAZON-02, US
 14618         281         853  AMAZON-AES, US
 15169         277         833  GOOGLE, US
396982         205        2746  GOOGLE-CLOUD-PLATFORM, US
  8895         153         158  ISU Internet Services Unit ISU, SA
 27947          97         120  Telconet S.A, EC
 32440          81         113  LONI, US
 23024          52         109  OCDE, US
327700          39          45  MoRENet, MZ

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

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

   1:2         3:82        5:21        8:28       13:45       14:89     
  15:70       16:112      18:66       23:111      24:3        31:9      
  34:23       35:51       38:9        40:5        41:226      42:10     
  43:2        44:9        45:59       46:11       47:1        49:9      
  50:3        52:555      54:212      58:1        59:19       60:5      
  61:3        62:11       63:35       64:165      65:13       66:73     
  67:61       68:14       69:39       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       85:48       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       102:38      103:298     104:221     107:33      108:105    
 109:10      111:16      114:32      115:1       116:10      117:61     
 118:32      119:18      121:27      122:8       123:8       124:40     
 125:5       128:85      129:49      130:138     131:68      132:52     
 133:155     134:109     135:3       136:297     137:151     138:59     
 139:17      140:38      141:7       142:284     143:22      144:39     
 145:3       146:143     147:68      148:202     149:17      150:44     
 151:16      152:134     153:14      154:30      155:73      156:69     
 157:24      158:39      159:148     160:30      161:28      162:92     
 163:86      164:23      165:53      166:1       167:24      168:152    
 169:11      170:141     171:1       172:114     173:118     174:2      
 175:18      176:11      177:6       178:1       179:6       180:15     
 182:1       184:2       185:106     186:3       187:17      188:20     
 189:3       190:3       191:13      192:1393    193:286     194:124    
 195:92      196:200     197:327     198:455     199:307     200:267    
 201:35      202:625     203:423     204:372     205:150     206:204    
 207:173     208:137     209:166     210:194     211:14      212:160    
 213:15      216:173     217:12      218:22      219:5       220:15     
 222:2       223:14     

End of report


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