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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Dec 17 22:10:41 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Sun 17 Dec, 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:                               25530
    Prefixes after maximum aggregation (per Origin AS):           12547
    Deaggregation factor:                                          2.03
    Unique aggregates announced (without unneeded subnets):       14137
    Number of IPv4 prefixes with a valid ROA:                     12547
    Number of IPv4 prefixes with an invalid ROA:                    198
    Number of IPv4 prefixes with no ROA:                          12785
Total ASes present in the Internet Routing Table:                  2769
    Prefixes per ASN:                                              9.22
Origin-only ASes present in the Internet Routing Table:            2385
Origin ASes announcing only one prefix:                            1064
Transit ASes present in the Internet Routing Table:                 384
Transit-only ASes present in the Internet Routing Table:             71
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 ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      43235
Number of 32-bit ASNs visible in the Routing Table:                 650
Prefixes from 32-bit ASNs in the Routing Table:                    4555
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:              7
Number of addresses announced to Internet:                    241795420
    Equivalent to 14 /8s, 105 /16s and 129 /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:               99.6
Total number of prefixes smaller than registry allocations:        3573

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

Prefixes being announced by APNIC Region ASes:                     4654
    Total APNIC prefixes after maximum aggregation:                2288
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4704
    Unique aggregates announced from the APNIC address blocks:     2630
APNIC Region origin ASes present in the Internet Routing Table:     545
    APNIC Prefixes per ASN:                                        8.63
APNIC Region origin ASes announcing only one prefix:                232
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:    210
Number of APNIC addresses announced to Internet:               45578560
    Equivalent to 2 /8s, 183 /16s and 121 /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:                     14526
    Total ARIN prefixes after maximum aggregation:                 6519
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14323
    Unique aggregates announced from the ARIN address blocks:      7331
ARIN Region origin ASes present in the Internet Routing Table:     1242
    ARIN Prefixes per ASN:                                        11.53
ARIN Region origin ASes announcing only one prefix:                 438
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:     201
Number of ARIN addresses announced to Internet:               131572609
    Equivalent to 7 /8s, 215 /16s and 163 /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:                 2905
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3812
    Unique aggregates announced from the RIPE address blocks:      3134
RIPE Region origin ASes present in the Internet Routing Table:      701
    RIPE Prefixes per ASN:                                         5.44
RIPE Region origin ASes announcing only one prefix:                 316
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:     150
Number of RIPE addresses announced to Internet:                58052864
    Equivalent to 3 /8s, 117 /16s and 209 /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:                    1565
    Total LACNIC prefixes after maximum aggregation:                664
    LACNIC Deaggregation factor:                                   2.36
Prefixes being announced from the LACNIC address blocks:           1567
    Unique aggregates announced from the LACNIC address blocks:     827
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       9.67
LACNIC Region origin ASes announcing only one prefix:                53
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:    65
Number of LACNIC addresses announced to Internet:               4066715
    Equivalent to 0 /8s, 62 /16s and 13 /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:                   1117
    Total AfriNIC prefixes after maximum aggregation:               162
    AfriNIC Deaggregation factor:                                  6.90
Prefixes being announced from the AfriNIC address blocks:          1117
    Unique aggregates announced from the AfriNIC address blocks:    208
AfriNIC Region origin ASes present in the Internet Routing Table:    46
    AfriNIC Prefixes per ASN:                                     24.28
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:                      4.4
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2522880
    Equivalent to 0 /8s, 38 /16s and 127 /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
 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          69         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        2736       3637     383  GOOGLE-CLOUD-PLATFORM, US
 16509        2192       1649     888  AMAZON-02, US
 14618         845       4032     637  AMAZON-AES, US
 15169         832       1997      60  GOOGLE, US
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 36492         165         12      38  GOOGLEWIFI, US
  2152         145        507      93  CSUNET-NW, US
    81         127        521      30  NCREN, US
   270         118        329      82  AS270, 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          94         27      74  ROEDUNET, RO
   137          81        676      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          76        462      76  BELWUE BelWue-Koordination, DE
  2200          63        598      58  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         250        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         120          0      92  Telconet S.A, EC
 11340         107         25      51  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       4  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  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         522         82       3  KENET-AS, KE
  2018         343        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37215          12          8       1  MAREN, MW
 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        2736       3637     383  GOOGLE-CLOUD-PLATFORM, US
 16509        2192       1649     888  AMAZON-02, US
 14618         845       4032     637  AMAZON-AES, US
 15169         832       1997      60  GOOGLE, US
  2907         603       2162     466  SINET-AS Research Organization of Infor
 36914         522         82       3  KENET-AS, KE
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         343        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
  1916         250        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        2192         1304  AMAZON-02, US
 15169         832          772  GOOGLE, US
 36914         522          519  KENET-AS, KE
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
  2018         343          272  TENET-1, ZA
 14618         845          208  AMAZON-AES, US
  1916         250          207  Rede Nacional de Ensino e Pesquisa, BR
  5786         197          196  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  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
    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
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.190.0/24          40498  ABQG, US
     11570  UNALLOCATED  204.134.85.0/24          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
216.117.204.0/24     Origin:     14618  AMAZON-AES, US
216.117.204.0/24    Transit:     16509  AMAZON-02, US
216.117.205.0/24     Origin:     14618  AMAZON-AES, US
216.117.205.0/24    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       /12:19      
/13:34      /14:81      /15:161     /16:2104    /17:511     /18:492     
/19:742     /20:2792    /21:1033    /22:1661    /23:1707    /24:13775   
/25:90      /26:66      /27:73      /28:21      /29:83      /30:34      
/31:35      /32:9       

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

   ASN  No of nets  Total ann.  Description
 36914         507         522  KENET-AS, KE
 16509         298        2192  AMAZON-02, US
 15169         276         832  GOOGLE, US
 14618         269         845  AMAZON-AES, US
396982         202        2736  GOOGLE-CLOUD-PLATFORM, US
  8895         153         158  ISU Internet Services Unit ISU, SA
 27947          97         120  Telconet S.A, EC
 32440          80         112  LONI, US
 23024          52         109  OCDE, US
  1916          40         250  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         3:82        5:20        8:28       12:1        13:45     
  14:89       15:70       16:112      18:66       23:111      24:3      
  31:9        34:23       35:51       38:9        40:5        41:225    
  42:10       43:2        44:9        45:59       46:11       47:1      
  49:9        50:3        52:558      54:228      58:1        59:19     
  60:5        61:3        62:11       63:35       64:162      65:13     
  66:73       67:61       68:14       69:35       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       85:32     
  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       102:10      103:300     104:218     107:33     
 108:103     109:10      111:16      114:31      115:1       116:8      
 117:61      118:32      119:18      121:28      122:8       123:8      
 124:40      125:5       128:87      129:47      130:138     131:68     
 132:63      133:155     134:109     135:3       136:295     137:66     
 138:10      139:17      140:40      141:7       142:284     143:23     
 144:41      145:3       146:136     147:69      148:202     149:16     
 150:44      151:16      152:135     153:14      154:24      155:73     
 156:68      157:24      158:41      159:148     160:30      161:28     
 162:92      163:73      164:23      165:52      166:1       167:24     
 168:132     169:12      170:143     171:1       172:114     173:117    
 174:2       175:18      176:11      177:5       178:1       179:9      
 180:15      182:1       184:2       185:110     186:3       187:18     
 188:20      189:3       190:4       191:13      192:1502    193:318    
 194:122     195:96      196:154     197:324     198:482     199:305    
 200:319     201:35      202:627     203:409     204:340     205:149    
 206:204     207:179     208:134     209:166     210:195     211:14     
 212:160     213:15      216:169     217:12      218:22      219:5      
 220:16      222:2       223:14     

End of report


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