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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Oct 24 22:41:42 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 24 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:                              986147
    Prefixes after maximum aggregation (per Origin AS):          361774
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      454542
Total ASes present in the Internet Routing Table:                 75299
    Prefixes per ASN:                                             13.10
Origin-only ASes present in the Internet Routing Table:           64523
Origin ASes announcing only one prefix:                           25945
Transit ASes present in the Internet Routing Table:               10776
Transit-only ASes present in the Internet Routing Table:            476
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:              1286
    Number of instances of unregistered ASNs:                      1317
Number of 32-bit ASNs allocated by the RIRs:                      42907
Number of 32-bit ASNs visible in the Routing Table:               35427
Prefixes from 32-bit ASNs in the Routing Table:                  184735
Number of bogon 32-bit ASNs visible in the Routing Table:           245
Special use prefixes present in the Routing Table:                   37
Prefixes being announced from unallocated address space:            613
Number of addresses announced to Internet:                   3054836446
    Equivalent to 182 /8s, 21 /16s and 26 /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:      338682

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

Prefixes being announced by APNIC Region ASes:                   259153
    Total APNIC prefixes after maximum aggregation:               72898
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          252386
    Unique aggregates announced from the APNIC address blocks:    99191
APNIC Region origin ASes present in the Internet Routing Table:   13851
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:               4090
APNIC Region transit ASes present in the Internet Routing Table:   1847
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:   9121
Number of APNIC addresses announced to Internet:              773584032
    Equivalent to 46 /8s, 27 /16s and 244 /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:                    282527
    Total ARIN prefixes after maximum aggregation:               125863
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285822
    Unique aggregates announced from the ARIN address blocks:    132375
ARIN Region origin ASes present in the Internet Routing Table:    19121
    ARIN Prefixes per ASN:                                        14.95
ARIN Region origin ASes announcing only one prefix:                6932
ARIN Region transit ASes present in the Internet Routing Table:    1985
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4834
Number of ARIN addresses announced to Internet:              1277760832
    Equivalent to 76 /8s, 41 /16s and 21 /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:                    281009
    Total RIPE prefixes after maximum aggregation:               127465
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275314
    Unique aggregates announced from the RIPE address blocks:    160591
RIPE Region origin ASes present in the Internet Routing Table:    28543
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12054
RIPE Region transit ASes present in the Internet Routing Table:    3979
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11437
Number of RIPE addresses announced to Internet:               716815582
    Equivalent to 42 /8s, 185 /16s and 188 /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:                  128004
    Total LACNIC prefixes after maximum aggregation:              28683
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127251
    Unique aggregates announced from the LACNIC address blocks:   49213
LACNIC Region origin ASes present in the Internet Routing Table:  11067
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2283
LACNIC Region transit ASes present in the Internet Routing Table:  2389
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:  8881
Number of LACNIC addresses announced to Internet:             178434080
    Equivalent to 10 /8s, 162 /16s and 176 /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:                  34168
    Total AfriNIC prefixes after maximum aggregation:              6055
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         44760
    Unique aggregates announced from the AfriNIC address blocks:  12655
AfriNIC Region origin ASes present in the Internet Routing Table:  1815
    AfriNIC Prefixes per ASN:                                     24.66
AfriNIC Region origin ASes announcing only one prefix:              586
AfriNIC Region transit ASes present in the Internet Routing Table:  349
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1154
Number of AfriNIC addresses announced to Internet:            107778048
    Equivalent to 6 /8s, 108 /16s and 144 /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        9629       8904      98  CHINAMOBILE-CN China Mobile Communicati
  7545        5716        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5097       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4224        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4023       1857      55  VNPT-AS-VN VNPT Corp, VN
  7552        3808       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3220        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        9185      11009    3300  AMAZON-02, US
 11492        4539        301     674  CABLEONE, US
  7155        4180        289     101  VIASAT-SP-BACKBONE, US
   174        3815       6659     630  COGENT-174, US
 22773        3653       3078     313  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3161      54958    2413  DNIC-AS-00749, US
 16625        3111       1421    2339  AKAMAI-AS, US
   367        3090       3852    1443  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        8625       1178    2953  TTNET, TR
 12479        7443       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4148       3398     174  AKAMAI-ASN1, NL
  8551        3450        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3124        278    1532  M247, RO
 12389        3000       2295     916  ROSTELECOM-AS, RU
  8452        2562       1852      14  TE-AS TE-AS, EG
  5384        2476        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2372        364     587  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       11989       3375     614  UNINET, MX
 10620        3540        504     856  Telmex Colombia S.A., CO
 13999        2422        333     629  Mega Cable, S.A. de C.V., MX
 11830        1935        365      44  Instituto Costarricense de Electricidad
 28573        1332       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1298        770     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1250        342     505  Axtel, S.A.B. de C.V., MX
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1059        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        1609        393      19  LINKdotNET-AS, EG
 24835        1541        549      28  RAYA-AS, EG
 36992        1357       1518     279  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1048         67      46  ORANGE-COTE-IVOIRE, CI
 36935         919        520      36  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         536         82       3  KENET-AS, KE
 15399         529         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       11989       3375     614  UNINET, MX
  9808        9629       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9185      11009    3300  AMAZON-02, US
 47331        8625       1178    2953  TTNET, TR
 12479        7443       1713     145  UNI2-AS, ES
  7545        5716        785     696  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5097       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4539        301     674  CABLEONE, US
 18403        4224        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        9629         9531  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7443         7298  UNI2-AS, ES
 16509        9185         5885  AMAZON-02, US
 47331        8625         5672  TTNET, TR
  4538        5097         5022  ERX-CERNET-BKB China Education and Research Net
  7545        5716         5020  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4224         4199  FPT-AS-AP FPT Telecom Company, VN
  7155        4180         4079  VIASAT-SP-BACKBONE, US
 20940        4148         3974  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
23.164.56.0/24       Origin:    216360  CIVILIZED-RIPE, US
23.164.56.0/24      Transit:     32097  WII, US
23.164.72.0/24       Origin:     49195  SSAC, CN
23.164.72.0/24      Transit:     20473  AS-CHOOPA, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US

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     /14:1214    /15:2148    /16:13675   /17:8596    /18:14760   
/19:25768   /20:45807   /21:54572   /22:114633  /23:107622  /24:591452  
/25:1123    /26:1076    /27:1485    /28:160     /29:239     /30:79      
/31:73      /32:612     

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

   ASN  No of nets  Total ann.  Description
 47331        7742        8625  TTNET, TR
 12479        6530        7443  UNI2-AS, ES
  8151        5999       11989  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3451        4539  CABLEONE, US
  6327        3364        3555  SHAW, CA
  7155        3125        4180  VIASAT-SP-BACKBONE, US
  8551        2927        3450  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2696        3653  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)
----------------------------------------------

   1:2267      2:1613      3:270       4:8         5:4590      6:155    
   7:6         8:1623      9:1        11:172      12:1508     13:363    
  14:2410     15:306      16:202      17:370      18:664      20:332    
  21:4        22:188      23:6572     24:2945     25:2        27:2670   
  29:19       31:2700     32:91       34:28       35:120      36:2024   
  37:4624     38:6552     39:874      40:150      41:4816     42:2064   
  43:2418     44:333      45:17601    46:4550     47:399      49:1886   
  50:1914     51:578      52:1623     54:395      55:960      56:5      
  57:136      58:1963     59:1204     60:1013     61:2729     62:2829   
  63:1945     64:5855     65:2395     66:5158     67:3122     68:1371   
  69:4177     70:1393     71:656      72:3037     74:2668     75:1615   
  76:636      77:2446     78:4034     79:3043     80:2172     81:2084   
  82:1595     83:1375     84:1591     85:3932     86:870      87:2280   
  88:2921     89:4017     90:628      91:8038     92:2158     93:2674   
  94:3759     95:5123     96:1341     97:319      98:1124     99:735    
 100:125     101:1421    102:3395    103:32973   104:4820    105:1986   
 106:994     107:2749    108:1159    109:4336    110:2188    111:3175   
 112:2123    113:1812    114:1712    115:2150    116:1982    117:2561   
 118:2764    119:2055    120:1854    121:1275    122:2768    123:2284   
 124:1665    125:2635    128:1572    129:1014    130:1100    131:2090   
 132:974     133:408     134:1788    135:344     136:914     137:998    
 138:2876    139:1684    140:1330    141:1342    142:1543    143:1612   
 144:1010    145:349     146:2007    147:1636    148:2472    149:2412   
 150:905     151:1249    152:1990    153:594     154:5493    155:1409   
 156:2078    157:1395    158:1069    159:2213    160:2712    161:1622   
 162:3567    163:1692    164:1787    165:1918    166:1065    167:1767   
 168:4058    169:825     170:4881    171:978     172:3836    173:3041   
 174:991     175:1263    176:3773    177:5524    178:3600    179:2440   
 180:2627    181:3610    182:3417    183:2029    184:2283    185:20979  
 186:4998    187:4615    188:4284    189:4227    190:9452    191:1866   
 192:11089   193:9028    194:7545    195:5501    196:3676    197:3063   
 198:6093    199:6386    200:8331    201:6375    202:11008   203:10625  
 204:4611    205:3738    206:4476    207:3571    208:4180    209:5007   
 210:4734    211:2669    212:4388    213:3536    214:1114    215:71     
 216:6895    217:3026    218:1337    219:617     220:2041    221:993    
 222:864     223:2180   

End of report


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