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

REN Routing Table Report cscora at frr.nsrc.org
Sun Jul 9 22:10:40 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Sun 09 Jul, 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:                               25259
    Prefixes after maximum aggregation (per Origin AS):           12349
    Deaggregation factor:                                          2.05
    Unique aggregates announced (without unneeded subnets):       13975
    Number of IPv4 prefixes with a valid ROA:                     11487
    Number of IPv4 prefixes with an invalid ROA:                    191
    Number of IPv4 prefixes with no ROA:                          13581
Total ASes present in the Internet Routing Table:                  2726
    Prefixes per ASN:                                              9.27
Origin-only ASes present in the Internet Routing Table:            2341
Origin ASes announcing only one prefix:                            1028
Transit ASes present in the Internet Routing Table:                 385
Transit-only ASes present in the Internet Routing Table:             76
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:                                      20
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      42272
Number of 32-bit ASNs visible in the Routing Table:                 624
Prefixes from 32-bit ASNs in the Routing Table:                    4609
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:                    243284576
    Equivalent to 14 /8s, 128 /16s and 58 /24s
    Percentage of available address space announced:                6.6
    Percentage of allocated address space announced:                6.6
    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:        3365

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

Prefixes being announced by APNIC Region ASes:                     4635
    Total APNIC prefixes after maximum aggregation:                2245
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4680
    Unique aggregates announced from the APNIC address blocks:     2619
APNIC Region origin ASes present in the Internet Routing Table:     538
    APNIC Prefixes per ASN:                                        8.70
APNIC Region origin ASes announcing only one prefix:                228
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    200
Number of APNIC addresses announced to Internet:               45772352
    Equivalent to 2 /8s, 186 /16s and 110 /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:                     14278
    Total ARIN prefixes after maximum aggregation:                 6371
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:            14069
    Unique aggregates announced from the ARIN address blocks:      7153
ARIN Region origin ASes present in the Internet Routing Table:     1215
    ARIN Prefixes per ASN:                                        11.58
ARIN Region origin ASes announcing only one prefix:                 418
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:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     188
Number of ARIN addresses announced to Internet:               132612641
    Equivalent to 7 /8s, 231 /16s and 130 /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:                      3620
    Total RIPE prefixes after maximum aggregation:                 2869
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3782
    Unique aggregates announced from the RIPE address blocks:      3103
RIPE Region origin ASes present in the Internet Routing Table:      681
    RIPE Prefixes per ASN:                                         5.55
RIPE Region origin ASes announcing only one prefix:                 301
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:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     143
Number of RIPE addresses announced to Internet:                57990400
    Equivalent to 3 /8s, 116 /16s and 221 /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
                       196608-213403
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:                    1638
    Total LACNIC prefixes after maximum aggregation:                685
    LACNIC Deaggregation factor:                                   2.39
Prefixes being announced from the LACNIC address blocks:           1642
    Unique aggregates announced from the LACNIC address blocks:     870
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                      10.20
LACNIC Region origin ASes announcing only one prefix:                55
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:    66
Number of LACNIC addresses announced to Internet:               4233983
    Equivalent to 0 /8s, 64 /16s and 154 /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:                   1081
    Total AfriNIC prefixes after maximum aggregation:               172
    AfriNIC Deaggregation factor:                                  6.28
Prefixes being announced from the AfriNIC address blocks:          1080
    Unique aggregates announced from the AfriNIC address blocks:    224
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     21.18
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2669568
    Equivalent to 0 /8s, 40 /16s and 188 /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         606       2147     466  SINET-AS Research Organization of Infor
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
  1237         193         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     120  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         120         18      13  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          65          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        2674       3594     384  GOOGLE-CLOUD-PLATFORM, US
 16509        2126       1685     832  AMAZON-02, US
 15169         826       2253      62  GOOGLE, US
 14618         793       4013     591  AMAZON-AES, US
   376         202        178     150  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
 36492         157         11      35  GOOGLEWIFI, US
  2152         143        507      93  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         128        521      31  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         284       1919     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         164         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  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         258        192      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         113         25      50  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          56         36      15  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          48         16       1  Red de Interconexion Universitaria, AR
 28571          40         39      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

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         369        319      71  TENET-1, ZA
 36914         255         82       3  KENET-AS, KE
327687         165         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          40         16       1  MoRENet, MZ
 37215          37          8       1  MAREN, MW
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, 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        2674       3594     384  GOOGLE-CLOUD-PLATFORM, US
 16509        2126       1685     832  AMAZON-02, US
 15169         826       2253      62  GOOGLE, US
 14618         793       4013     591  AMAZON-AES, US
  2907         606       2147     466  SINET-AS Research Organization of Infor
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
  2018         369        319      71  TENET-1, ZA
   680         284       1919     250  DFN Verein zur Foerderung eines Deutsch
  1916         258        192      43  Rede Nacional de Ensino e Pesquisa, BR
 36914         255         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        2126         1294  AMAZON-02, US
 15169         826          764  GOOGLE, US
  7497         434          411  CSTNET-AS-AP Computer Network Information Cente
  2018         369          298  TENET-1, ZA
 36914         255          252  KENET-AS, KE
  1916         258          215  Rede Nacional de Ensino e Pesquisa, BR
 14618         793          202  AMAZON-AES, US
  5786         195          194  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
327687         165          162  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
     29867  UNALLOCATED  64.202.80.0/20           22742  CT-EDU-NET, US
    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
     29867  UNALLOCATED  192.160.243.0/24         22742  CT-EDU-NET, US
     29867  UNALLOCATED  192.160.244.0/24         22742  CT-EDU-NET, US
    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
64.202.80.0/20       Origin:     29867  UNASSIGNED
64.202.80.0/20      Transit:     22742  CT-EDU-NET, US
76.76.19.0/24        Origin:     16509  AMAZON-02, US
76.76.19.0/24       Transit:     27750  Cooperacion Latino Americana de Redes Av
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     27750  Cooperacion Latino Americana de Redes Av
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

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       /12:20      
/13:34      /14:81      /15:161     /16:2084    /17:499     /18:477     
/19:728     /20:2771    /21:1036    /22:1636    /23:1722    /24:13566   
/25:94      /26:72      /27:78      /28:21      /29:84      /30:41      
/31:35      /32:12      

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

   ASN  No of nets  Total ann.  Description
 16509         291        2126  AMAZON-02, US
 15169         273         826  GOOGLE, US
 14618         257         793  AMAZON-AES, US
 36914         243         255  KENET-AS, KE
396982         196        2674  GOOGLE-CLOUD-PLATFORM, US
  8895         159         164  ISU Internet Services Unit ISU, SA
 27947          98         125  Telconet S.A, EC
 32440          78         107  LONI, US
 23024          52         113  OCDE, US
  1916          39         258  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         3:78        5:19        8:28       12:1        13:45     
  14:89       15:69       16:112      18:56       23:114      24:3      
  31:10       34:19       35:47       38:9        40:1        41:144    
  42:10       43:1        44:8        45:56       46:11       47:1      
  49:9        50:2        52:558      54:228      58:1        59:19     
  60:4        61:3        62:11       63:36       64:167      65:13     
  66:66       67:60       68:10       69:35       70:43       71:3      
  72:13       74:143      76:46       77:11       78:3        79:10     
  80:14       81:26       82:7        83:6        84:10       85:45     
  86:10       87:2        88:1        89:18       91:56       92:4      
  93:4        94:4        95:2        96:2        97:1        98:11     
  99:47      101:3       102:30      103:273     104:212     107:33     
 108:102     109:12      111:16      114:31      115:1       116:8      
 117:61      118:32      119:18      121:29      122:8       123:8      
 124:38      125:4       128:87      129:45      130:141     131:56     
 132:62      133:155     134:104     135:4       136:292     137:149    
 138:10      139:17      140:36      141:4       142:276     143:29     
 144:39      145:2       146:143     147:66      148:201     149:16     
 150:40      151:14      152:138     153:14      154:31      155:73     
 156:69      157:28      158:41      159:148     160:27      161:36     
 162:86      163:83      164:20      165:50      166:1       167:22     
 168:161     169:12      170:113     171:1       172:114     173:112    
 174:2       175:27      176:11      177:6       178:1       179:9      
 180:15      182:1       184:3       185:102     186:3       187:18     
 188:19      189:3       190:5       191:13      192:1469    193:307    
 194:125     195:87      196:201     197:161     198:485     199:306    
 200:300     201:36      202:633     203:429     204:366     205:147    
 206:200     207:190     208:129     209:162     210:184     211:3      
 212:170     213:15      216:167     217:12      218:22      219:6      
 220:16      222:2       223:14     

End of report


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