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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Sep 19 22:41:26 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 19 Sep, 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:                              994203
    Prefixes after maximum aggregation (per Origin AS):          361909
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      455204
Total ASes present in the Internet Routing Table:                 75396
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           64594
Origin ASes announcing only one prefix:                           25827
Transit ASes present in the Internet Routing Table:               10802
Transit-only ASes present in the Internet Routing Table:            464
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1335
    Number of instances of unregistered ASNs:                      1348
Number of 32-bit ASNs allocated by the RIRs:                      42640
Number of 32-bit ASNs visible in the Routing Table:               35392
Prefixes from 32-bit ASNs in the Routing Table:                  186902
Number of bogon 32-bit ASNs visible in the Routing Table:           264
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            727
Number of addresses announced to Internet:                   3063494026
    Equivalent to 182 /8s, 153 /16s and 53 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    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:      341589

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

Prefixes being announced by APNIC Region ASes:                   258816
    Total APNIC prefixes after maximum aggregation:               72091
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          252188
    Unique aggregates announced from the APNIC address blocks:    99190
APNIC Region origin ASes present in the Internet Routing Table:   13782
    APNIC Prefixes per ASN:                                       18.30
APNIC Region origin ASes announcing only one prefix:               4023
APNIC Region transit ASes present in the Internet Routing Table:   1849
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9071
Number of APNIC addresses announced to Internet:              775234880
    Equivalent to 46 /8s, 53 /16s and 37 /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:                    285560
    Total ARIN prefixes after maximum aggregation:               126570
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           287804
    Unique aggregates announced from the ARIN address blocks:    132162
ARIN Region origin ASes present in the Internet Routing Table:    19204
    ARIN Prefixes per ASN:                                        14.99
ARIN Region origin ASes announcing only one prefix:                6951
ARIN Region transit ASes present in the Internet Routing Table:    1967
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4859
Number of ARIN addresses announced to Internet:              1281044800
    Equivalent to 76 /8s, 91 /16s and 49 /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:                    283882
    Total RIPE prefixes after maximum aggregation:               127622
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           278974
    Unique aggregates announced from the RIPE address blocks:    161158
RIPE Region origin ASes present in the Internet Routing Table:    28612
    RIPE Prefixes per ASN:                                         9.75
RIPE Region origin ASes announcing only one prefix:               12038
RIPE Region transit ASes present in the Internet Routing Table:    4014
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11431
Number of RIPE addresses announced to Internet:               719819486
    Equivalent to 42 /8s, 231 /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:                  130115
    Total LACNIC prefixes after maximum aggregation:              28745
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:         129362
    Unique aggregates announced from the LACNIC address blocks:   49281
LACNIC Region origin ASes present in the Internet Routing Table:  11078
    LACNIC Prefixes per ASN:                                      11.68
LACNIC Region origin ASes announcing only one prefix:              2232
LACNIC Region transit ASes present in the Internet Routing Table:  2400
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:  8885
Number of LACNIC addresses announced to Internet:             178874144
    Equivalent to 10 /8s, 169 /16s and 103 /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:                  34495
    Total AfriNIC prefixes after maximum aggregation:              6054
    AfriNIC Deaggregation factor:                                  5.70
Prefixes being announced from the AfriNIC address blocks:         45147
    Unique aggregates announced from the AfriNIC address blocks:  12791
AfriNIC Region origin ASes present in the Internet Routing Table:  1807
    AfriNIC Prefixes per ASN:                                     24.98
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  341
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146
Number of AfriNIC addresses announced to Internet:            107963392
    Equivalent to 6 /8s, 111 /16s and 100 /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        9699       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5012       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4285        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4046       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3756       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3601       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3155        498     255  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2530        849     386  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2316      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        9194      11013    3199  AMAZON-02, US
 11492        4548        302     622  CABLEONE, US
  7155        4185        289     103  VIASAT-SP-BACKBONE, US
   174        3843       6656     619  COGENT-174, US
 22773        3705       3080     326  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3542       1319      66  SHAW, CA
 16625        3220       1552    2374  AKAMAI-AS, US
   749        3164      54961    2400  DNIC-AS-00749, US
   367        3031       3841    1431  DNIC-ASBLK-00306-00371, US
396982        2700       3597     392  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        8560       1171    3006  TTNET, TR
 12479        7437       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4209       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2998       2296     922  ROSTELECOM-AS, RU
  9009        2773        257    1411  M247, RO
  8452        2504       1852      16  TE-AS TE-AS, EG
  5384        2469        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2385        366     584  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       11875       3370     603  UNINET, MX
 10620        3550        508     836  Telmex Colombia S.A., CO
 13999        2473        366     640  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1327       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1310        775     173  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1125        370      22  Telefonica del Peru S.A.A., PE
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR

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        1882        319      45  Telkom-Internet, ZA
 24863        1619        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1365       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1052         67      45  ORANGE-COTE-IVOIRE, CI
 36935         959        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         540         82       3  KENET-AS, KE
 15399         527         54      49  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       11875       3370     603  UNINET, MX
  9808        9699       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9194      11013    3199  AMAZON-02, US
 47331        8560       1171    3006  TTNET, TR
 12479        7437       1713     145  UNI2-AS, ES
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5012       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4548        302     622  CABLEONE, US
 18403        4285        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        9699         9600  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7437         7292  UNI2-AS, ES
 16509        9194         5995  AMAZON-02, US
 47331        8560         5554  TTNET, TR
  7545        5751         5059  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5012         4937  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4285         4260  FPT-AS-AP FPT Telecom Company, VN
  7155        4185         4082  VIASAT-SP-BACKBONE, US
 20940        4209         4024  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      /10:39      /11:102     /12:299     
/13:578     /14:1213    /15:2158    /16:13762   /17:8610    /18:14858   
/19:25977   /20:46345   /21:55352   /22:115879  /23:109046  /24:596975  
/25:481     /26:622     /27:1032    /28:78      /29:103     /30:26      
/31:22      /32:615     

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

   ASN  No of nets  Total ann.  Description
 47331        7679        8560  TTNET, TR
 12479        6523        7437  UNI2-AS, ES
  8151        5864       11875  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3457        4548  CABLEONE, US
  6327        3352        3542  SHAW, CA
  7155        3130        4185  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2736        3705  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2175        2519  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2277      2:1589      3:263       4:8         5:4796      6:139    
   7:6         8:1635      9:1        11:172      12:1531     13:381    
  14:2431     15:305      16:199      17:383      18:647      20:309    
  21:4        22:188      23:6548     24:3074     25:6        27:2682   
  29:19       31:2697     32:97       34:27       35:120      36:2020   
  37:4761     38:6570     39:879      40:147      41:4905     42:2107   
  43:2493     44:332      45:17946    46:4551     47:395      49:1849   
  50:1930     51:598      52:1635     54:400      55:980      56:8      
  57:133      58:1983     59:1210     60:1010     61:2733     62:2871   
  63:1976     64:5935     65:2437     66:5221     67:3127     68:1368   
  69:4236     70:1415     71:704      72:3093     74:2705     75:1620   
  76:625      77:2604     78:4036     79:3048     80:2200     81:2113   
  82:1599     83:1368     84:1591     85:3945     86:881      87:2301   
  88:2892     89:4025     90:628      91:8068     92:2186     93:2687   
  94:3783     95:5154     96:1348     97:322      98:1139     99:736    
 100:123     101:1370    102:3441    103:33155   104:4714    105:2003   
 106:971     107:2724    108:1165    109:4378    110:2203    111:3199   
 112:2151    113:1826    114:1693    115:2164    116:1971    117:2635   
 118:2765    119:2093    120:1880    121:1241    122:2775    123:2273   
 124:1671    125:2612    128:1602    129:1149    130:1097    131:2129   
 132:976     133:408     134:1806    135:355     136:992     137:996    
 138:2873    139:1698    140:1315    141:1361    142:1546    143:1646   
 144:1032    145:354     146:2038    147:1637    148:2527    149:2347   
 150:921     151:1256    152:2008    153:596     154:5563    155:1440   
 156:2020    157:1388    158:1103    159:2270    160:2745    161:1635   
 162:3623    163:1685    164:1784    165:1952    166:1111    167:1779   
 168:4116    169:963     170:5008    171:967     172:3810    173:3046   
 174:1009    175:1269    176:3992    177:5624    178:3645    179:2509   
 180:2672    181:3683    182:3465    183:2052    184:2334    185:21161  
 186:5138    187:4645    188:4389    189:4197    190:9577    191:1886   
 192:11158   193:9116    194:7633    195:5547    196:3686    197:3054   
 198:6124    199:6222    200:8362    201:6278    202:11115   203:10650  
 204:4665    205:3803    206:4484    207:3581    208:4297    209:5054   
 210:4756    211:2641    212:4449    213:3778    214:1135    215:60     
 216:6989    217:3056    218:1337    219:619     220:2048    221:996    
 222:868     223:2202   

End of report


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