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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Oct 22 22:41:38 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 22 Oct, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              985197
    Prefixes after maximum aggregation (per Origin AS):          361477
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      454056
Total ASes present in the Internet Routing Table:                 75273
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64525
Origin ASes announcing only one prefix:                           25950
Transit ASes present in the Internet Routing Table:               10748
Transit-only ASes present in the Internet Routing Table:            481
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:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1295
    Number of instances of unregistered ASNs:                      1326
Number of 32-bit ASNs allocated by the RIRs:                      42906
Number of 32-bit ASNs visible in the Routing Table:               35416
Prefixes from 32-bit ASNs in the Routing Table:                  184321
Number of bogon 32-bit ASNs visible in the Routing Table:           247
Special use prefixes present in the Routing Table:                   37
Prefixes being announced from unallocated address space:            615
Number of addresses announced to Internet:                   3053219806
    Equivalent to 181 /8s, 252 /16s and 111 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      338345

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

Prefixes being announced by APNIC Region ASes:                   258879
    Total APNIC prefixes after maximum aggregation:               72788
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          252122
    Unique aggregates announced from the APNIC address blocks:    99054
APNIC Region origin ASes present in the Internet Routing Table:   13839
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:               4085
APNIC Region transit ASes present in the Internet Routing Table:   1838
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9113
Number of APNIC addresses announced to Internet:              772506528
    Equivalent to 46 /8s, 11 /16s and 131 /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:                    282267
    Total ARIN prefixes after maximum aggregation:               125759
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285638
    Unique aggregates announced from the ARIN address blocks:    132140
ARIN Region origin ASes present in the Internet Routing Table:    19122
    ARIN Prefixes per ASN:                                        14.94
ARIN Region origin ASes announcing only one prefix:                6933
ARIN Region transit ASes present in the Internet Routing Table:    1987
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4841
Number of ARIN addresses announced to Internet:              1278016832
    Equivalent to 76 /8s, 44 /16s and 253 /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:                    280781
    Total RIPE prefixes after maximum aggregation:               127392
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275002
    Unique aggregates announced from the RIPE address blocks:    160498
RIPE Region origin ASes present in the Internet Routing Table:    28531
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12058
RIPE Region transit ASes present in the Internet Routing Table:    3964
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11429
Number of RIPE addresses announced to Internet:               716608222
    Equivalent to 42 /8s, 182 /16s and 146 /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:                  127986
    Total LACNIC prefixes after maximum aggregation:              28665
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127251
    Unique aggregates announced from the LACNIC address blocks:   49181
LACNIC Region origin ASes present in the Internet Routing Table:  11058
    LACNIC Prefixes per ASN:                                      11.51
LACNIC Region origin ASes announcing only one prefix:              2287
LACNIC Region transit ASes present in the Internet Routing Table:  2392
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8880
Number of LACNIC addresses announced to Internet:             178419232
    Equivalent to 10 /8s, 162 /16s and 118 /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:                  33989
    Total AfriNIC prefixes after maximum aggregation:              6065
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         44568
    Unique aggregates announced from the AfriNIC address blocks:  12663
AfriNIC Region origin ASes present in the Internet Routing Table:  1814
    AfriNIC Prefixes per ASN:                                     24.57
AfriNIC Region origin ASes announcing only one prefix:              587
AfriNIC Region transit ASes present in the Internet Routing Table:  342
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1153
Number of AfriNIC addresses announced to Internet:            107220224
    Equivalent to 6 /8s, 100 /16s and 13 /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
  9808        9618       8904      98  CHINAMOBILE-CN China Mobile Communicati
  7545        5716        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4215        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4022       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3796       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3219        493     243  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2738      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2554        849     378  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9148      11003    3342  AMAZON-02, US
 11492        4540        301     673  CABLEONE, US
  7155        4180        289     101  VIASAT-SP-BACKBONE, US
   174        3795       6659     629  COGENT-174, US
 22773        3649       3077     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3547       1320      67  SHAW, CA
   749        3161      54958    2413  DNIC-AS-00749, US
 16625        3111       1421    2339  AKAMAI-AS, US
   367        3071       3850    1430  DNIC-ASBLK-00306-00371, US
396982        2705       3598     397  GOOGLE-CLOUD-PLATFORM, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8615       1176    2960  TTNET, TR
 12479        7412       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4149       3398     174  AKAMAI-ASN1, NL
  8551        3447        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3123        278    1531  M247, RO
 12389        3002       2295     918  ROSTELECOM-AS, RU
  8452        2562       1852      14  TE-AS TE-AS, EG
  5384        2478        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2376        365     585  TELLCOM-AS, TR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11969       3375     614  UNINET, MX
 10620        3542        504     858  Telmex Colombia S.A., CO
 13999        2419        333     628  Mega Cable, S.A. de C.V., MX
 11830        2002        369      64  Instituto Costarricense de Electricidad
 28573        1332       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1297        770     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1250        342     505  Axtel, S.A.B. de C.V., MX
  6147        1110        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1058        168     428  Techtel LMDS Comunicaciones Interactiva

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1880        319      45  Telkom-Internet, ZA
 24863        1607        393      19  LINKdotNET-AS, EG
 24835        1523        509      26  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1047         67      46  ORANGE-COTE-IVOIRE, CI
 36935         837        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         539         82       3  KENET-AS, KE
 15399         528         55      51  WANANCHI-, KE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11969       3375     614  UNINET, MX
  9808        9618       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9148      11003    3342  AMAZON-02, US
 47331        8615       1176    2960  TTNET, TR
 12479        7412       1713     145  UNI2-AS, ES
  7545        5716        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4540        301     673  CABLEONE, US
 18403        4215        347      25  FPT-AS-AP FPT Telecom Company, VN

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9618         9520  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7412         7267  UNI2-AS, ES
 16509        9148         5806  AMAZON-02, US
 47331        8615         5655  TTNET, TR
  7545        5716         5018  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007         4932  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4215         4190  FPT-AS-AP FPT Telecom Company, VN
  7155        4180         4079  VIASAT-SP-BACKBONE, US
 20940        4149         3975  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/data-spar

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:100     /12:301     
/13:583     /14:1211    /15:2143    /16:13665   /17:8590    /18:14765   
/19:25777   /20:45793   /21:54563   /22:114544  /23:107481  /24:590749  
/25:1123    /26:1076    /27:1487    /28:160     /29:239     /30:79      
/31:72      /32:627     

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

   ASN  No of nets  Total ann.  Description
 47331        7733        8615  TTNET, TR
 12479        6499        7412  UNI2-AS, ES
  8151        5983       11969  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3452        4540  CABLEONE, US
  6327        3356        3547  SHAW, CA
  7155        3125        4180  VIASAT-SP-BACKBONE, US
  8551        2929        3447  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2693        3649  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2154        2499  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2265      2:1574      3:268       4:8         5:4583      6:153    
   7:6         8:1624      9:1        11:172      12:1507     13:369    
  14:2410     15:305      16:200      17:371      18:660      20:332    
  21:4        22:188      23:6569     24:2943     25:2        27:2668   
  29:19       31:2701     32:91       34:28       35:119      36:2023   
  37:4611     38:6580     39:874      40:144      41:4796     42:2064   
  43:2423     44:332      45:17545    46:4525     47:399      49:1853   
  50:1917     51:578      52:1616     54:392      55:961      56:5      
  57:136      58:1954     59:1205     60:1012     61:2727     62:2831   
  63:1947     64:5854     65:2398     66:5154     67:3123     68:1369   
  69:4179     70:1394     71:656      72:3039     74:2670     75:1613   
  76:636      77:2437     78:4035     79:3044     80:2171     81:2088   
  82:1595     83:1377     84:1592     85:3919     86:871      87:2275   
  88:2917     89:4015     90:628      91:8017     92:2154     93:2672   
  94:3756     95:5124     96:1341     97:319      98:1122     99:735    
 100:125     101:1332    102:3382    103:32941   104:4816    105:2000   
 106:992     107:2744    108:1154    109:4336    110:2188    111:3179   
 112:2123    113:1813    114:1709    115:2152    116:1973    117:2572   
 118:2764    119:2069    120:1853    121:1252    122:2765    123:2284   
 124:1665    125:2634    128:1576    129:1013    130:1094    131:2079   
 132:974     133:408     134:1786    135:344     136:912     137:997    
 138:2861    139:1683    140:1317    141:1342    142:1543    143:1604   
 144:1010    145:350     146:2003    147:1637    148:2495    149:2405   
 150:905     151:1261    152:1990    153:594     154:5494    155:1414   
 156:2079    157:1382    158:1066    159:2211    160:2716    161:1624   
 162:3566    163:1694    164:1789    165:1916    166:1079    167:1760   
 168:4060    169:826     170:4877    171:976     172:3821    173:3035   
 174:991     175:1261    176:3776    177:5508    178:3596    179:2440   
 180:2602    181:3570    182:3418    183:2022    184:2284    185:20938  
 186:5034    187:4590    188:4284    189:4200    190:9514    191:1860   
 192:11033   193:9026    194:7545    195:5496    196:3682    197:3046   
 198:6093    199:6356    200:8306    201:6379    202:10984   203:10620  
 204:4613    205:3742    206:4474    207:3571    208:4177    209:5008   
 210:4734    211:2669    212:4389    213:3527    214:1111    215:71     
 216:6896    217:3027    218:1337    219:617     220:2042    221:989    
 222:859     223:2178   

End of report


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