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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jan 17 22:10:42 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Wed 17 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:                               25672
    Prefixes after maximum aggregation (per Origin AS):           12599
    Deaggregation factor:                                          2.04
    Unique aggregates announced (without unneeded subnets):       14270
    Number of IPv4 prefixes with a valid ROA:                     12683
    Number of IPv4 prefixes with an invalid ROA:                    186
    Number of IPv4 prefixes with no ROA:                          12803
Total ASes present in the Internet Routing Table:                  2754
    Prefixes per ASN:                                              9.32
Origin-only ASes present in the Internet Routing Table:            2367
Origin ASes announcing only one prefix:                            1054
Transit ASes present in the Internet Routing Table:                 387
Transit-only ASes present in the Internet Routing Table:             75
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:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      43403
Number of 32-bit ASNs visible in the Routing Table:                 652
Prefixes from 32-bit ASNs in the Routing Table:                    4788
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:                    239620720
    Equivalent to 14 /8s, 72 /16s and 82 /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:        3586

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

Prefixes being announced by APNIC Region ASes:                     4628
    Total APNIC prefixes after maximum aggregation:                2265
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4679
    Unique aggregates announced from the APNIC address blocks:     2620
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:                231
APNIC Region transit ASes present in the Internet Routing Table:     57
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:    206
Number of APNIC addresses announced to Internet:               45498688
    Equivalent to 2 /8s, 182 /16s and 65 /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:                     14626
    Total ARIN prefixes after maximum aggregation:                 6545
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            14427
    Unique aggregates announced from the ARIN address blocks:      7388
ARIN Region origin ASes present in the Internet Routing Table:     1238
    ARIN Prefixes per ASN:                                        11.65
ARIN Region origin ASes announcing only one prefix:                 433
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:     202
Number of ARIN addresses announced to Internet:               129507201
    Equivalent to 7 /8s, 184 /16s and 31 /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:                      3645
    Total RIPE prefixes after maximum aggregation:                 2916
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3800
    Unique aggregates announced from the RIPE address blocks:      3162
RIPE Region origin ASes present in the Internet Routing Table:      686
    RIPE Prefixes per ASN:                                         5.54
RIPE Region origin ASes announcing only one prefix:                 310
RIPE Region transit ASes present in the Internet Routing Table:     103
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:     149
Number of RIPE addresses announced to Internet:                57778944
    Equivalent to 3 /8s, 113 /16s and 163 /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:                    1511
    Total LACNIC prefixes after maximum aggregation:                682
    LACNIC Deaggregation factor:                                   2.22
Prefixes being announced from the LACNIC address blocks:           1515
    Unique aggregates announced from the LACNIC address blocks:     866
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       9.24
LACNIC Region origin ASes announcing only one prefix:                54
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:    68
Number of LACNIC addresses announced to Internet:               4165807
    Equivalent to 0 /8s, 63 /16s and 144 /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:                   1247
    Total AfriNIC prefixes after maximum aggregation:               179
    AfriNIC Deaggregation factor:                                  6.97
Prefixes being announced from the AfriNIC address blocks:          1248
    Unique aggregates announced from the AfriNIC address blocks:    231
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     24.96
AfriNIC Region origin ASes announcing only one prefix:               26
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:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2669312
    Equivalent to 0 /8s, 40 /16s and 187 /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         600       2162     465  SINET-AS Research Organization of Infor
  7497         438        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        2747       3639     391  GOOGLE-CLOUD-PLATFORM, US
 16509        2184       1649     899  AMAZON-02, US
 14618         854       4032     644  AMAZON-AES, US
 15169         833       1997      60  GOOGLE, US
   376         200        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 36492         165         12      38  GOOGLEWIFI, US
  2152         145        507      93  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         121          0      92  Telconet S.A, EC
 11340         116         25      53  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         17       3  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         476         82       3  KENET-AS, KE
  2018         380        319      71  TENET-1, ZA
327687         155         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          44         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215          10          8       1  MAREN, MW
 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        2747       3639     391  GOOGLE-CLOUD-PLATFORM, US
 16509        2184       1649     899  AMAZON-02, US
 14618         854       4032     644  AMAZON-AES, US
 15169         833       1997      60  GOOGLE, US
  2907         600       2162     465  SINET-AS Research Organization of Infor
 36914         476         82       3  KENET-AS, KE
  7497         438        180      23  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   376         200        162     150  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        2184         1285  AMAZON-02, US
 15169         833          773  GOOGLE, US
 36914         476          473  KENET-AS, KE
  7497         438          415  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
 14618         854          210  AMAZON-AES, US
  5786         197          196  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  8895         158          153  ISU Internet Services Unit ISU, SA
327687         155          152  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
     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      /14:81      /15:160     /16:2101    /17:511     /18:496     
/19:731     /20:2790    /21:1050    /22:1674    /23:1744    /24:13877   
/25:84      /26:56      /27:72      /28:21      /29:84      /30:37      
/31:35      /32:9       

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

   ASN  No of nets  Total ann.  Description
 36914         461         476  KENET-AS, KE
 16509         312        2184  AMAZON-02, US
 14618         282         854  AMAZON-AES, US
 15169         277         833  GOOGLE, US
396982         205        2747  GOOGLE-CLOUD-PLATFORM, US
  8895         153         158  ISU Internet Services Unit ISU, SA
 27947          98         121  Telconet S.A, EC
 32440          81         113  LONI, US
 23024          52         109  OCDE, US
327700          38          44  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       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        41:175    
  42:10       43:2        44:9        45:61       46:11       47:1      
  49:9        50:3        52:555      54:212      58:1        59:19     
  60:5        61:3        62:10       63:35       64:166      65:13     
  66:75       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       85:47     
  86:4        87:4        88:1        89:19       91:57       92:5      
  93:4        94:4        95:2        96:7        97:1        98:11     
  99:47      101:3       102:39      103:290     104:221     107:33     
 108:105     109:10      111:16      114:32      115:1       116:10     
 117:61      118:32      119:19      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     137:147    
 138:58      139:17      140:38      141:7       142:284     143:22     
 144:39      145:3       146:144     147:68      148:202     149:17     
 150:43      151:16      152:134     153:14      154:29      155:73     
 156:69      157:24      158:39      159:148     160:30      161:28     
 162:92      163:86      164:22      165:53      166:1       167:24     
 168:152     169:11      170:140     171:1       172:114     173:118    
 174:2       175:18      176:11      177:6       178:1       179:9      
 180:15      182:1       184:3       185:106     186:3       187:17     
 188:20      189:3       190:3       191:13      192:1485    193:282    
 194:128     195:76      196:202     197:326     198:472     199:308    
 200:265     201:35      202:626     203:424     204:371     205:151    
 206:204     207:172     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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