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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Oct 20 22:41:24 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Fri 20 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:                              985278
    Prefixes after maximum aggregation (per Origin AS):          361309
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      454164
Total ASes present in the Internet Routing Table:                 75269
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64507
Origin ASes announcing only one prefix:                           25956
Transit ASes present in the Internet Routing Table:               10762
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:       4.8
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1293
    Number of instances of unregistered ASNs:                      1325
Number of 32-bit ASNs allocated by the RIRs:                      42878
Number of 32-bit ASNs visible in the Routing Table:               35417
Prefixes from 32-bit ASNs in the Routing Table:                  184363
Number of bogon 32-bit ASNs visible in the Routing Table:           250
Special use prefixes present in the Routing Table:                   37
Prefixes being announced from unallocated address space:            615
Number of addresses announced to Internet:                   3053262558
    Equivalent to 181 /8s, 253 /16s and 22 /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:               99.5
Total number of prefixes smaller than registry allocations:      338501

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

Prefixes being announced by APNIC Region ASes:                   258597
    Total APNIC prefixes after maximum aggregation:               72699
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251847
    Unique aggregates announced from the APNIC address blocks:    99021
APNIC Region origin ASes present in the Internet Routing Table:   13828
    APNIC Prefixes per ASN:                                       18.21
APNIC Region origin ASes announcing only one prefix:               4092
APNIC Region transit ASes present in the Internet Routing Table:   1849
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:   9106
Number of APNIC addresses announced to Internet:              772433312
    Equivalent to 46 /8s, 10 /16s and 101 /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:                    282317
    Total ARIN prefixes after maximum aggregation:               125688
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285678
    Unique aggregates announced from the ARIN address blocks:    132175
ARIN Region origin ASes present in the Internet Routing Table:    19121
    ARIN Prefixes per ASN:                                        14.94
ARIN Region origin ASes announcing only one prefix:                6931
ARIN Region transit ASes present in the Internet Routing Table:    1980
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:    4838
Number of ARIN addresses announced to Internet:              1277977664
    Equivalent to 76 /8s, 44 /16s and 100 /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:                    281026
    Total RIPE prefixes after maximum aggregation:               127409
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275242
    Unique aggregates announced from the RIPE address blocks:    160519
RIPE Region origin ASes present in the Internet Routing Table:    28533
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12060
RIPE Region transit ASes present in the Internet Routing Table:    3973
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11432
Number of RIPE addresses announced to Internet:               716687838
    Equivalent to 42 /8s, 183 /16s and 201 /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:                  127908
    Total LACNIC prefixes after maximum aggregation:              28622
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         127185
    Unique aggregates announced from the LACNIC address blocks:   49246
LACNIC Region origin ASes present in the Internet Routing Table:  11062
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2284
LACNIC Region transit ASes present in the Internet Routing Table:  2391
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8885
Number of LACNIC addresses announced to Internet:             178459168
    Equivalent to 10 /8s, 163 /16s and 18 /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:                  34137
    Total AfriNIC prefixes after maximum aggregation:              6083
    AfriNIC Deaggregation factor:                                  5.61
Prefixes being announced from the AfriNIC address blocks:         44710
    Unique aggregates announced from the AfriNIC address blocks:  12685
AfriNIC Region origin ASes present in the Internet Routing Table:  1816
    AfriNIC Prefixes per ASN:                                     24.62
AfriNIC Region origin ASes announcing only one prefix:              589
AfriNIC Region transit ASes present in the Internet Routing Table:  344
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1156
Number of AfriNIC addresses announced to Internet:            107255808
    Equivalent to 6 /8s, 100 /16s and 152 /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        5715        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5038       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4213        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        3218        493     243  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2739      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        9167      11006    3265  AMAZON-02, US
 11492        4540        301     673  CABLEONE, US
  7155        4180        289     101  VIASAT-SP-BACKBONE, US
   174        3793       6659     627  COGENT-174, US
 22773        3649       3077     309  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        3081       3851    1435  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        7414       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4149       3398     174  AKAMAI-ASN1, NL
  8551        3451        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3125        278    1533  M247, RO
 12389        3003       2295     919  ROSTELECOM-AS, RU
  8452        2562       1852      14  TE-AS TE-AS, EG
  5384        2478        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        365     586  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       11973       3375     615  UNINET, MX
 10620        3542        504     858  Telmex Colombia S.A., CO
 13999        2418        333     627  Mega Cable, S.A. de C.V., MX
 11830        2002        369      64  Instituto Costarricense de Electricidad
 28573        1333       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1298        770     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1283        343     510  Axtel, S.A.B. de C.V., MX
  6147        1109        369      22  Telefonica del Peru S.A.A., PE
 28202        1100         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1054        168     425  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        1609        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  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         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         540         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       11973       3375     615  UNINET, MX
  9808        9618       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9167      11006    3265  AMAZON-02, US
 47331        8615       1176    2960  TTNET, TR
 12479        7414       1713     145  UNI2-AS, ES
  7545        5715        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5038       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4540        301     673  CABLEONE, US
 18403        4213        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        7414         7269  UNI2-AS, ES
 16509        9167         5902  AMAZON-02, US
 47331        8615         5655  TTNET, TR
  7545        5715         5017  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5038         4963  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4213         4188  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    /16:13668   /17:8591    /18:14768   
/19:25783   /20:45804   /21:54604   /22:114626  /23:107567  /24:590581  
/25:1123    /26:1076    /27:1485    /28:160     /29:238     /30:79      
/31:73      /32:645     

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

   ASN  No of nets  Total ann.  Description
 47331        7733        8615  TTNET, TR
 12479        6501        7414  UNI2-AS, ES
  8151        5983       11973  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        2928        3451  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      2:1614      3:270       4:8         5:4596      6:153    
   7:6         8:1614      9:1        11:172      12:1507     13:367    
  14:2409     15:305      16:200      17:371      18:665      20:332    
  21:4        22:188      23:6568     24:2944     25:2        27:2668   
  29:19       31:2699     32:91       34:28       35:121      36:2023   
  37:4612     38:6577     39:874      40:144      41:4806     42:2064   
  43:2412     44:332      45:17520    46:4529     47:379      49:1853   
  50:1918     51:578      52:1618     54:391      55:960      56:5      
  57:136      58:1945     59:1204     60:1011     61:2727     62:2832   
  63:1946     64:5841     65:2398     66:5154     67:3121     68:1369   
  69:4179     70:1397     71:656      72:3038     74:2672     75:1613   
  76:636      77:2438     78:4036     79:3046     80:2169     81:2088   
  82:1594     83:1377     84:1597     85:3918     86:873      87:2274   
  88:2919     89:4013     90:627      91:8014     92:2155     93:2678   
  94:3757     95:5124     96:1340     97:319      98:1123     99:736    
 100:125     101:1332    102:3390    103:32872   104:4817    105:2001   
 106:994     107:2745    108:1154    109:4334    110:2187    111:3179   
 112:2125    113:1813    114:1711    115:2146    116:1974    117:2571   
 118:2762    119:2069    120:1854    121:1252    122:2765    123:2276   
 124:1665    125:2632    128:1579    129:1013    130:1095    131:2068   
 132:973     133:408     134:1785    135:348     136:911     137:996    
 138:2858    139:1683    140:1316    141:1340    142:1545    143:1604   
 144:1010    145:350     146:2007    147:1635    148:2512    149:2405   
 150:905     151:1261    152:1990    153:594     154:5484    155:1412   
 156:2080    157:1387    158:1065    159:2210    160:2714    161:1625   
 162:3565    163:1694    164:1790    165:1918    166:1083    167:1758   
 168:4033    169:826     170:4867    171:976     172:3822    173:3035   
 174:991     175:1261    176:3775    177:5491    178:3595    179:2432   
 180:2602    181:3567    182:3417    183:2022    184:2285    185:20972  
 186:5035    187:4563    188:4287    189:4212    190:9510    191:1851   
 192:11040   193:9026    194:7545    195:5493    196:3683    197:3045   
 198:6094    199:6349    200:8329    201:6369    202:10975   203:10573  
 204:4615    205:3750    206:4473    207:3579    208:4178    209:5008   
 210:4733    211:2641    212:4404    213:3528    214:1113    215:71     
 216:6891    217:3033    218:1334    219:613     220:2042    221:989    
 222:859     223:2186   

End of report


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