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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Sep 9 22:10:40 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Sat 09 Sep, 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:                               25326
    Prefixes after maximum aggregation (per Origin AS):           12477
    Deaggregation factor:                                          2.03
    Unique aggregates announced (without unneeded subnets):       14076
    Number of IPv4 prefixes with a valid ROA:                     11707
    Number of IPv4 prefixes with an invalid ROA:                    204
    Number of IPv4 prefixes with no ROA:                          13415
Total ASes present in the Internet Routing Table:                  2744
    Prefixes per ASN:                                              9.23
Origin-only ASes present in the Internet Routing Table:            2356
Origin ASes announcing only one prefix:                            1039
Transit ASes present in the Internet Routing Table:                 388
Transit-only ASes present in the Internet Routing Table:             71
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      24
    Max AS path prepend of ASN ( 41264)                              21
Prefixes from unregistered ASNs in the Routing Table:                 4
    Number of instances of unregistered ASNs:                         4
Number of 32-bit ASNs allocated by the RIRs:                      42579
Number of 32-bit ASNs visible in the Routing Table:                 635
Prefixes from 32-bit ASNs in the Routing Table:                    4681
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:             14
Number of addresses announced to Internet:                    241748648
    Equivalent to 14 /8s, 104 /16s and 202 /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:               99.5
Total number of prefixes smaller than registry allocations:        3368

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

Prefixes being announced by APNIC Region ASes:                     4669
    Total APNIC prefixes after maximum aggregation:                2293
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4711
    Unique aggregates announced from the APNIC address blocks:     2655
APNIC Region origin ASes present in the Internet Routing Table:     546
    APNIC Prefixes per ASN:                                        8.63
APNIC Region origin ASes announcing only one prefix:                229
APNIC Region transit ASes present in the Internet Routing Table:     59
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:    207
Number of APNIC addresses announced to Internet:               45581888
    Equivalent to 2 /8s, 183 /16s and 134 /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:                     14319
    Total ARIN prefixes after maximum aggregation:                 6423
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14115
    Unique aggregates announced from the ARIN address blocks:      7182
ARIN Region origin ASes present in the Internet Routing Table:     1225
    ARIN Prefixes per ASN:                                        11.52
ARIN Region origin ASes announcing only one prefix:                 427
ARIN Region transit ASes present in the Internet Routing Table:     164
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:     192
Number of ARIN addresses announced to Internet:               131243745
    Equivalent to 7 /8s, 210 /16s and 158 /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:                      3642
    Total RIPE prefixes after maximum aggregation:                 2885
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3790
    Unique aggregates announced from the RIPE address blocks:      3111
RIPE Region origin ASes present in the Internet Routing Table:      684
    RIPE Prefixes per ASN:                                         5.54
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     106
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:     143
Number of RIPE addresses announced to Internet:                57944576
    Equivalent to 3 /8s, 116 /16s and 42 /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:                    1643
    Total LACNIC prefixes after maximum aggregation:                698
    LACNIC Deaggregation factor:                                   2.35
Prefixes being announced from the LACNIC address blocks:           1647
    Unique aggregates announced from the LACNIC address blocks:     894
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       9.98
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       4.5
    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:               4246663
    Equivalent to 0 /8s, 64 /16s and 204 /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:                   1049
    Total AfriNIC prefixes after maximum aggregation:               174
    AfriNIC Deaggregation factor:                                  6.03
Prefixes being announced from the AfriNIC address blocks:          1049
    Unique aggregates announced from the AfriNIC address blocks:    220
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     20.98
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:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2659840
    Equivalent to 0 /8s, 40 /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
  2907         602       2147     466  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  1237         194         74     139  KREONET-AS-KR KISTI, KR
  7575         177        329     120  AARNET-AS-AP Australian Academic and Re
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         125         18      16  NKN-CORE-NW NKN Core Network, IN
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          63          4       1  MAHIDOL-BORDER-AS Mahidol 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        2690       3596     387  GOOGLE-CLOUD-PLATFORM, US
 16509        2147       1637     855  AMAZON-02, US
 15169         826       1997      61  GOOGLE, US
 14618         814       4019     612  AMAZON-AES, US
   376         201        178     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 36492         157         11      35  GOOGLEWIFI, US
  2152         148        507      92  CSUNET-NW, US
 18558         136         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       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         163         24       5  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          74        465      74  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/CEDIA/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         261        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         125          0      95  Telconet S.A, EC
 11340         115         25      52  Red Universitaria Nacional, CL
271640          72          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  4270          48         16       1  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          35          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         372        319      71  TENET-1, ZA
 36914         252         82       3  KENET-AS, KE
327687         164         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          41         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/CEDIA/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2690       3596     387  GOOGLE-CLOUD-PLATFORM, US
 16509        2147       1637     855  AMAZON-02, US
 15169         826       1997      61  GOOGLE, US
 14618         814       4019     612  AMAZON-AES, US
  2907         602       2147     466  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  2018         372        319      71  TENET-1, ZA
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
  1916         261        176      43  Rede Nacional de Ensino e Pesquisa, BR
 36914         252         82       3  KENET-AS, KE

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        2147         1292  AMAZON-02, US
 15169         826          765  GOOGLE, US
  7497         435          412  CSTNET-AS-AP Computer Network Information Cente
  2018         372          301  TENET-1, ZA
 36914         252          249  KENET-AS, KE
  1916         261          218  Rede Nacional de Ensino e Pesquisa, BR
 14618         814          202  AMAZON-AES, US
  5786         197          196  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
327687         164          161  RENU, UG

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
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
134.208.0.0/16       Origin:     17711  NDHU-TW National Dong Hwa University, TW
134.208.0.0/16      Transit:      7539  TWAREN-TW National Center for High-perfo
144.81.129.0/24      Origin:     14618  AMAZON-AES, US
144.81.129.0/24     Transit:     16509  AMAZON-02, US
144.81.130.0/24      Origin:     14618  AMAZON-AES, US
144.81.130.0/24     Transit:     16509  AMAZON-02, US
144.81.131.0/24      Origin:     14618  AMAZON-AES, US
144.81.131.0/24     Transit:     16509  AMAZON-02, US
144.81.132.0/22      Origin:     14618  AMAZON-AES, US
144.81.132.0/22     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     /16:2089    /17:500     /18:466     
/19:710     /20:2773    /21:1021    /22:1647    /23:1716    /24:13666   
/25:91      /26:72      /27:80      /28:22      /29:86      /30:41      
/31:35      /32:9       

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

   ASN  No of nets  Total ann.  Description
 16509         297        2147  AMAZON-02, US
 15169         275         826  GOOGLE, US
 14618         266         814  AMAZON-AES, US
 36914         241         252  KENET-AS, KE
396982         196        2690  GOOGLE-CLOUD-PLATFORM, US
  8895         158         163  ISU Internet Services Unit ISU, SA
 27947          98         125  Telconet S.A, EC
 32440          80         109  LONI, US
 23024          52         113  OCDE, US
  1916          40         261  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         3:77        5:20        8:28       12:1        13:45     
  14:89       15:70       16:112      18:63       23:112      24:3      
  31:9        34:20       35:47       38:9        40:1        41:115    
  42:10       43:1        44:8        45:61       46:11       47:1      
  49:9        50:3        52:558      54:228      58:1        59:19     
  60:4        61:3        62:12       63:37       64:164      65:13     
  66:70       67:60       68:12       69:36       70:43       71:3      
  72:13       74:137      76:46       77:11       78:3        79:10     
  80:13       81:27       82:6        83:6        84:10       85:46     
  86:10       87:2        88:1        89:17       91:57       92:4      
  93:4        94:4        95:2        96:7        97:1        98:11     
  99:47      101:3       102:29      103:289     104:213     107:33     
 108:102     109:12      111:16      114:31      115:1       116:8      
 117:61      118:32      119:18      121:28      122:8       123:8      
 124:39      125:4       128:87      129:47      130:143     131:62     
 132:57      133:152     134:105     135:3       136:293     137:144    
 138:10      139:17      140:38      141:4       142:276     143:22     
 144:39      145:3       146:144     147:65      148:200     149:17     
 150:44      151:16      152:149     153:14      154:30      155:73     
 156:69      157:23      158:37      159:148     160:29      161:36     
 162:85      163:86      164:20      165:50      166:1       167:22     
 168:151     169:12      170:132     171:1       172:114     173:114    
 174:2       175:26      176:11      177:5       178:1       179:9      
 180:15      182:1       184:5       185:104     186:3       187:18     
 188:19      189:3       190:5       191:13      192:1474    193:305    
 194:128     195:85      196:201     197:166     198:496     199:299    
 200:332     201:36      202:635     203:430     204:371     205:147    
 206:204     207:190     208:132     209:166     210:190     211:14     
 212:170     213:15      216:166     217:11      218:22      219:5      
 220:16      222:2       223:14     

End of report


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