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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Aug 17 22:41:22 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 17 Aug, 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:                              980164
    Prefixes after maximum aggregation (per Origin AS):          358678
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453010
Total ASes present in the Internet Routing Table:                 75056
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           64282
Origin ASes announcing only one prefix:                           25872
Transit ASes present in the Internet Routing Table:               10774
Transit-only ASes present in the Internet Routing Table:            465
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     131
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1274
    Number of instances of unregistered ASNs:                      1276
Number of 32-bit ASNs allocated by the RIRs:                      42439
Number of 32-bit ASNs visible in the Routing Table:               35145
Prefixes from 32-bit ASNs in the Routing Table:                  182836
Number of bogon 32-bit ASNs visible in the Routing Table:           195
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            671
Number of addresses announced to Internet:                   3055332522
    Equivalent to 182 /8s, 28 /16s and 172 /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:      336973

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

Prefixes being announced by APNIC Region ASes:                   255778
    Total APNIC prefixes after maximum aggregation:               71136
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          249273
    Unique aggregates announced from the APNIC address blocks:    98791
APNIC Region origin ASes present in the Internet Routing Table:   13685
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:               4004
APNIC Region transit ASes present in the Internet Routing Table:   1846
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8980
Number of APNIC addresses announced to Internet:              774432864
    Equivalent to 46 /8s, 40 /16s and 232 /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:                    281502
    Total ARIN prefixes after maximum aggregation:               125506
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           283045
    Unique aggregates announced from the ARIN address blocks:    131101
ARIN Region origin ASes present in the Internet Routing Table:    19151
    ARIN Prefixes per ASN:                                        14.78
ARIN Region origin ASes announcing only one prefix:                6954
ARIN Region transit ASes present in the Internet Routing Table:    1983
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4839
Number of ARIN addresses announced to Internet:              1276861760
    Equivalent to 76 /8s, 27 /16s and 93 /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:                    279835
    Total RIPE prefixes after maximum aggregation:               126455
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275772
    Unique aggregates announced from the RIPE address blocks:    160187
RIPE Region origin ASes present in the Internet Routing Table:    28511
    RIPE Prefixes per ASN:                                         9.67
RIPE Region origin ASes announcing only one prefix:               12008
RIPE Region transit ASes present in the Internet Routing Table:    4008
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11361
Number of RIPE addresses announced to Internet:               717175774
    Equivalent to 42 /8s, 191 /16s and 59 /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:                  127689
    Total LACNIC prefixes after maximum aggregation:              28797
    LACNIC Deaggregation factor:                                   4.43
Prefixes being announced from the LACNIC address blocks:         127104
    Unique aggregates announced from the LACNIC address blocks:   49677
LACNIC Region origin ASes present in the Internet Routing Table:  11027
    LACNIC Prefixes per ASN:                                      11.53
LACNIC Region origin ASes announcing only one prefix:              2321
LACNIC Region transit ASes present in the Internet Routing Table:  2370
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8833
Number of LACNIC addresses announced to Internet:             178670368
    Equivalent to 10 /8s, 166 /16s and 75 /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:                  34086
    Total AfriNIC prefixes after maximum aggregation:              5987
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         44298
    Unique aggregates announced from the AfriNIC address blocks:  12679
AfriNIC Region origin ASes present in the Internet Routing Table:  1792
    AfriNIC Prefixes per ASN:                                     24.72
AfriNIC Region origin ASes announcing only one prefix:              585
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                      131
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1132
Number of AfriNIC addresses announced to Internet:            107761152
    Equivalent to 6 /8s, 108 /16s and 78 /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        9544       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5714        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4984       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4334        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3731       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3596       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3088        498     251  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2489        844     406  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2313      11270     588  KIXS-AS-KR Korea Telecom, KR

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        8880      10974    3191  AMAZON-02, US
 11492        4525        300     623  CABLEONE, US
  7155        4195        289     102  VIASAT-SP-BACKBONE, US
 22773        3664       3060     294  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3617       6657     622  COGENT-174, US
  6327        3524       1319      66  SHAW, CA
 16625        3157       1528    2347  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        2995       3830    1423  DNIC-ASBLK-00306-00371, US
396982        2687       3596     387  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        8285       1142    3285  TTNET, TR
 12479        7353       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4158       3399     187  AKAMAI-ASN1, NL
  8551        3466        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2997       2295     925  ROSTELECOM-AS, RU
  9009        2697        249    1396  M247, RO
  5384        2493        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2455       1852      15  TE-AS TE-AS, EG
 34984        2370        365     591  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       11691       3360     611  UNINET, MX
 10620        3536        507     833  Telmex Colombia S.A., CO
 13999        2438        364     643  Mega Cable, S.A. de C.V., MX
 11830        1998        369      64  Instituto Costarricense de Electricidad
 28573        1315       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1116         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1113        181     434  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        1894        319      45  Telkom-Internet, ZA
 24863        1594        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1358       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         534         54      47  WANANCHI-, KE
 36914         532         82       3  KENET-AS, 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       11691       3360     611  UNINET, MX
  9808        9544       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8880      10974    3191  AMAZON-02, US
 47331        8285       1142    3285  TTNET, TR
 12479        7353       1713     145  UNI2-AS, ES
  7545        5714        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4984       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4525        300     623  CABLEONE, US
 18403        4334        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        9544         9501  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7353         7208  UNI2-AS, ES
 16509        8880         5689  AMAZON-02, US
  7545        5714         5025  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8285         5000  TTNET, TR
  4538        4984         4908  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4334         4309  FPT-AS-AP FPT Telecom Company, VN
  7155        4195         4093  VIASAT-SP-BACKBONE, US
 45899        4048         3995  VNPT-AS-VN VNPT Corp, VN

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
     46990  UNALLOCATED  8.5.242.0/23              3356  LEVEL3, 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
     19695  UNALLOCATED  8.20.161.0/24             7015  COMCAST-7015, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, 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
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
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

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      /10:39      /11:102     /12:297     
/13:576     /14:1210    /15:2151    /16:13710   /17:8560    /18:14788   
/19:25798   /20:46029   /21:54666   /22:114441  /23:107295  /24:587468  
/25:493     /26:615     /27:1035    /28:76      /29:101     /30:28      
/31:24      /32:631     

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

   ASN  No of nets  Total ann.  Description
 47331        7414        8285  TTNET, TR
 12479        6438        7353  UNI2-AS, ES
  8151        5695       11691  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3434        4525  CABLEONE, US
  6327        3336        3524  SHAW, CA
  7155        3140        4195  VIASAT-SP-BACKBONE, US
  8551        2933        3466  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2707        3664  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2161        2504  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2282      2:1518      3:230       4:8         5:4783      6:138    
   7:6         8:1627      9:1        11:172      12:1517     13:381    
  14:2399     15:302      16:198      17:379      18:601      20:301    
  21:4        22:188      23:6497     24:3043     25:6        27:2626   
  29:19       31:2679     32:97       34:26       35:119      36:2005   
  37:4739     38:6228     39:863      40:148      41:4870     42:2102   
  43:2422     44:325      45:17443    46:4540     47:393      49:1815   
  50:1890     51:593      52:1632     54:391      55:978      56:8      
  57:131      58:1971     59:1193     60:1003     61:2691     62:2844   
  63:1958     64:5785     65:2393     66:5138     67:3080     68:1348   
  69:4137     70:1412     71:698      72:3073     74:2685     75:1615   
  76:621      77:2594     78:3897     79:3023     80:2181     81:2055   
  82:1581     83:1353     84:1560     85:3816     86:870      87:2263   
  88:2839     89:3957     90:621      91:8009     92:2168     93:2644   
  94:3710     95:5088     96:1342     97:324      98:1130     99:735    
 100:123     101:1362    102:3343    103:32710   104:4612    105:2006   
 106:961     107:2585    108:1145    109:4348    110:2183    111:3183   
 112:2141    113:1813    114:1668    115:2133    116:1956    117:2592   
 118:2751    119:2082    120:1842    121:1194    122:2738    123:2237   
 124:1653    125:2549    128:1540    129:1124    130:1084    131:2066   
 132:958     133:423     134:1799    135:354     136:910     137:990    
 138:2821    139:1622    140:1268    141:1345    142:1504    143:1568   
 144:1009    145:343     146:2006    147:1631    148:2480    149:2197   
 150:912     151:1229    152:2009    153:586     154:5078    155:1403   
 156:1966    157:1356    158:1093    159:2244    160:2702    161:1592   
 162:3566    163:1657    164:1768    165:1917    166:1020    167:1754   
 168:4041    169:957     170:4876    171:923     172:3675    173:3012   
 174:1004    175:1230    176:3950    177:5523    178:3587    179:2433   
 180:2591    181:3551    182:3446    183:2033    184:2333    185:20919  
 186:5081    187:4555    188:4345    189:4051    190:9453    191:1863   
 192:11041   193:9026    194:7544    195:5461    196:3672    197:3073   
 198:6078    199:6125    200:8199    201:6256    202:11041   203:10611  
 204:4615    205:3716    206:4403    207:3534    208:4211    209:5010   
 210:4722    211:2617    212:4383    213:3727    214:1096    215:60     
 216:6890    217:3033    218:1327    219:619     220:2044    221:981    
 222:853     223:2196   

End of report


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