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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Oct 7 22:10:40 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Sat 07 Oct, 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:                               25446
    Prefixes after maximum aggregation (per Origin AS):           12545
    Deaggregation factor:                                          2.03
    Unique aggregates announced (without unneeded subnets):       14126
    Number of IPv4 prefixes with a valid ROA:                     11755
    Number of IPv4 prefixes with an invalid ROA:                    223
    Number of IPv4 prefixes with no ROA:                          13468
Total ASes present in the Internet Routing Table:                  2751
    Prefixes per ASN:                                              9.25
Origin-only ASes present in the Internet Routing Table:            2368
Origin ASes announcing only one prefix:                            1046
Transit ASes present in the Internet Routing Table:                 383
Transit-only ASes present in the Internet Routing Table:             68
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      42793
Number of 32-bit ASNs visible in the Routing Table:                 635
Prefixes from 32-bit ASNs in the Routing Table:                    4700
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:              5
Number of addresses announced to Internet:                    242247312
    Equivalent to 14 /8s, 112 /16s and 102 /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:        3351

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

Prefixes being announced by APNIC Region ASes:                     4680
    Total APNIC prefixes after maximum aggregation:                2296
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4723
    Unique aggregates announced from the APNIC address blocks:     2655
APNIC Region origin ASes present in the Internet Routing Table:     545
    APNIC Prefixes per ASN:                                        8.67
APNIC Region origin ASes announcing only one prefix:                227
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        5.9
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    206
Number of APNIC addresses announced to Internet:               45550656
    Equivalent to 2 /8s, 183 /16s and 12 /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:                     14401
    Total ARIN prefixes after maximum aggregation:                 6469
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14207
    Unique aggregates announced from the ARIN address blocks:      7237
ARIN Region origin ASes present in the Internet Routing Table:     1231
    ARIN Prefixes per ASN:                                        11.54
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     163
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:     193
Number of ARIN addresses announced to Internet:               131766465
    Equivalent to 7 /8s, 218 /16s and 152 /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:                      3657
    Total RIPE prefixes after maximum aggregation:                 2909
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3802
    Unique aggregates announced from the RIPE address blocks:      3115
RIPE Region origin ASes present in the Internet Routing Table:      692
    RIPE Prefixes per ASN:                                         5.49
RIPE Region origin ASes announcing only one prefix:                 305
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:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     144
Number of RIPE addresses announced to Internet:                58032128
    Equivalent to 3 /8s, 117 /16s and 128 /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:                    1639
    Total LACNIC prefixes after maximum aggregation:                701
    LACNIC Deaggregation factor:                                   2.34
Prefixes being announced from the LACNIC address blocks:           1643
    Unique aggregates announced from the LACNIC address blocks:     897
LACNIC Region origin ASes present in the Internet Routing Table:    166
    LACNIC Prefixes per ASN:                                       9.90
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    29
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:    68
Number of LACNIC addresses announced to Internet:               4190607
    Equivalent to 0 /8s, 63 /16s and 241 /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:                   1066
    Total AfriNIC prefixes after maximum aggregation:               167
    AfriNIC Deaggregation factor:                                  6.38
Prefixes being announced from the AfriNIC address blocks:          1066
    Unique aggregates announced from the AfriNIC address blocks:    217
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     22.68
AfriNIC Region origin ASes announcing only one prefix:               25
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:   24
Number of AfriNIC addresses announced to Internet:              2640896
    Equivalent to 0 /8s, 40 /16s and 76 /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         603       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
  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         126         18      17  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        2700       3597     396  GOOGLE-CLOUD-PLATFORM, US
 16509        2158       1638     866  AMAZON-02, US
 15169         828       1997      61  GOOGLE, US
 14618         815       4020     614  AMAZON-AES, US
   376         202        178     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 36492         157         11      35  GOOGLEWIFI, US
  2152         144        507      92  CSUNET-NW, US
 18558         141         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          75        469      75  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         252        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         126          0      96  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         383        319      71  TENET-1, ZA
 36914         253         82       3  KENET-AS, KE
327687         168         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          44         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        2700       3597     396  GOOGLE-CLOUD-PLATFORM, US
 16509        2158       1638     866  AMAZON-02, US
 15169         828       1997      61  GOOGLE, US
 14618         815       4020     614  AMAZON-AES, US
  2907         603       2162     466  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         383        319      71  TENET-1, ZA
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
 36914         253         82       3  KENET-AS, KE
  1916         252        176      43  Rede Nacional de Ensino e Pesquisa, BR

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        2158         1292  AMAZON-02, US
 15169         828          767  GOOGLE, US
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
  2018         383          312  TENET-1, ZA
 36914         253          250  KENET-AS, KE
  1916         252          209  Rede Nacional de Ensino e Pesquisa, BR
 14618         815          201  AMAZON-AES, US
  5786         197          196  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
327687         168          165  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
     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
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
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/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     /16:2093    /17:509     /18:483     
/19:727     /20:2779    /21:1027    /22:1662    /23:1730    /24:13709   
/25:89      /26:68      /27:75      /28:22      /29:87      /30:40      
/31:35      /32:9       

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

   ASN  No of nets  Total ann.  Description
 16509         296        2158  AMAZON-02, US
 15169         275         828  GOOGLE, US
 14618         265         815  AMAZON-AES, US
 36914         242         253  KENET-AS, KE
396982         197        2700  GOOGLE-CLOUD-PLATFORM, US
  8895         158         163  ISU Internet Services Unit ISU, SA
 27947          99         126  Telconet S.A, EC
 32440          81         111  LONI, US
 23024          52         113  OCDE, US
  1916          39         252  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        13:44     
  14:89       15:70       16:112      18:65       23:109      24:3      
  31:9        34:20       35:47       38:9        40:1        41:120    
  42:10       43:1        44:9        45:61       46:11       47:1      
  49:9        50:3        52:558      54:228      59:19       60:5      
  61:3        62:12       63:36       64:164      65:12       66:71     
  67:60       68:13       69:34       70:43       71:3        72:13     
  74:142      76:47       77:11       78:3        79:10       80:13     
  81:27       82:7        83:6        84:10       85:46       86:4      
  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      103:299     104:212     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       124:40     
 125:4       128:87      129:49      130:142     131:63      132:60     
 133:152     134:107     135:3       136:293     137:146     138:10     
 139:17      140:38      141:5       142:277     143:22      144:39     
 145:3       146:144     147:63      148:201     149:17      150:44     
 151:16      152:149     153:14      154:30      155:73      156:67     
 157:23      158:40      159:148     160:30      161:30      162:85     
 163:86      164:20      165:51      166:1       167:23      168:160    
 169:12      170:133     171:1       172:114     173:115     174:2      
 175:18      176:11      177:6       178:1       179:9       180:15     
 182:1       184:4       185:101     186:3       187:18      188:19     
 189:3       190:5       191:13      192:1497    193:310     194:129    
 195:89      196:203     197:168     198:500     199:298     200:323    
 201:36      202:633     203:429     204:373     205:147     206:205    
 207:190     208:132     209:163     210:192     211:14      212:164    
 213:15      216:165     217:10      218:22      219:5       220:16     
 222:2       223:14     

End of report


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